CN107946997B - The operational method of switch is isolated in a kind of replacement of insulating bar method on-load - Google Patents
The operational method of switch is isolated in a kind of replacement of insulating bar method on-load Download PDFInfo
- Publication number
- CN107946997B CN107946997B CN201711392786.6A CN201711392786A CN107946997B CN 107946997 B CN107946997 B CN 107946997B CN 201711392786 A CN201711392786 A CN 201711392786A CN 107946997 B CN107946997 B CN 107946997B
- Authority
- CN
- China
- Prior art keywords
- switch
- insulating bar
- lead
- outer cover
- insulation
- 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.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 57
- 238000009413 insulation Methods 0.000 claims abstract description 52
- 230000000873 masking effect Effects 0.000 claims abstract description 40
- 239000012212 insulator Substances 0.000 claims abstract description 37
- 239000004020 conductor Substances 0.000 claims abstract description 10
- 239000012211 strain insulator Substances 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 claims description 15
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 7
- 238000013461 design Methods 0.000 claims description 6
- 238000002955 isolation Methods 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims description 6
- 238000012795 verification Methods 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 238000012790 confirmation Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 230000010354 integration Effects 0.000 claims description 2
- 238000009826 distribution Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 14
- 230000008901 benefit Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012549 training Methods 0.000 description 2
- BYACHAOCSIPLCM-UHFFFAOYSA-N 2-[2-[bis(2-hydroxyethyl)amino]ethyl-(2-hydroxyethyl)amino]ethanol Chemical compound OCCN(CCO)CCN(CCO)CCO BYACHAOCSIPLCM-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Insulating Bodies (AREA)
Abstract
The present invention relates to a kind of operational methods of insulating bar method on-load replacement disconnecting switch, are widely used in the work of overhead distribution ground potential method replacement disconnecting switch, belong to distribution line hotline maintenance site technology field.The following steps are included: lead masking hanging plate is hung on side phase conductor and insulator pin using insulating bar, complete the insulation masking of opposite side phase terminal, integrated mask is hung using insulating bar, completes the insulation masking of opposite side phase strain insulator, wire clamp and part conducting wire；Switch two sides lead is isolated in disconnection, at this time in isolate switch just in electroless state, the disconnecting switch that operating personnel more renews；Disconnecting switch two sides lead is accessed into main traverse line using insulating bar.This method is not necessarily to have a power failure in operation, and complete insulation is cooperated to cover safety device, insulate to electrical body, grounding body and covers and be isolated, and ensures that operating personnel and charging equipment keep enough safe distances, safety coefficient height.
Description
Technical field
The present invention relates to a kind of operational methods of insulating bar method on-load replacement disconnecting switch, are widely used in overhead distribution
Route ground potential method is replaced in the work of disconnecting switch, and distribution line hotline maintenance site technology field is belonged to.
Background technique
High voltage isolator is widely used in 10KV distribution line, be mainly used for " isolated power supply, grid switching operation, to
It is connected to and cuts off small circuital current ", no arc-suppression function.Only divide in the case where no load current, close circuit, it can only be used
His equipment operates again after disconnecting circuit.Because being widely used, the running most common failure of disconnecting switch has: 1, overload,
Contact resistance increase causes contact portion to overheat；2, longtime running porcelain insulation damages and flashover electric discharge；3, refuse switching on；4,
Mistake switching on.
Have a power failure replacement disconnecting switch will necessarily interrupt some region of power supply, influence a large number of users it is normal production with
Life reduces power supply reliability, totally unfavorable for improving good service and user satisfaction.
The disconnecting switch work of on-load replacement at present is mainly carried out by medial potential working method, i.e., operating personnel wears insulation
Safety cap, wears a full set of insulation clothing, and operation aerial lift device with insulated arm insulation bucket carries out upkeep operation close to job position.Medial potential working
Method replaces disconnecting switch and there is following deficiency: 1, relying on orographic condition, landform is rugged, and narrow space is unable to satisfy vehicle parking and needs
It asks；2, at high cost, aerial lift device with insulated arm goes out fare and uses with personnel's expenditure higher than pole ascending operation；3, compared to medial potential working, ground
Current potential operation is mainly completed by operating stick, ensure that personnel at a distance from electrical body, safety coefficient is high.
At present, it would be highly desirable to occur it is a kind of can solve above-mentioned technical problem insulating bar method on-load replacement in isolate switch
Operational method.
Summary of the invention
The on-load that the purpose of the present invention is intended to provide one kind and can be carried out with ground potential replaces disconnecting switch operational method, should
Method is not necessarily to have a power failure in operation, and complete insulation is cooperated to cover safety device, to electrical body, grounding body carry out insulation masking and every
From guarantee operating personnel and charging equipment keep enough safe distances, and easy to operate, safety coefficient is high.
It is isolated the operational method of switch in a kind of replacement of insulating bar method on-load, is characterized in that including following step
It is rapid:
1, electrical verification is carried out to route and device, carries out next step operation after electrical verification is qualified；
2, ground potential coaster is installed on cross-arm；
3, electric pole mask is installed, insulation masking is carried out to electric pole；
4, isolation switch insulation partition is installed respectively in the phase of both sides, switch is isolated to both sides and carries out insulation masking；
5, lead masking hanging plate 22 is hung on side phase conductor and insulator pin using insulating bar, completes opposite side phase
The insulation of lead is covered, and is hung integrated mask using insulating bar, is completed opposite side phase strain insulator, wire clamp and portion
The insulation masking (effective masking to both sides phase cross-arm two sides charging equipment is completed using four sets of shading tools) of intraphase conductor；
6, it strips wire insulation on the outside of phase conductor wire clamp at 15-20cm in two sides (length for stripping insulating layer should expire
Foot installs the length requirement of interim drainage thread and wire clamp of starting to exchange fire)；
7, interim insulation lead wire is installed using insulating bar is synchronous, switch bypass is isolated by；
8, insulation lead wire through-flow situation when adjacent in detection, confirmation shunt it is good after, pull open in isolate switch；
9, switch two sides lead is isolated in disconnecting, at this time in isolate switch just in electroless state, operating personnel is more
The disconnecting switch renewed；
10, after new disconnecting switch installs and draws, closes pass the test, using insulating bar by disconnecting switch two
Side lead accesses main traverse line；
11, switch is isolated in closing, be isolated in detection switch it is through-flow it is all right after, use insulating bar synchronous
Insulation lead wire when adjacent in dismounting；
12, the integrated mask of both sides phase is removed respectively according to the sequence opposite with when installation using insulating bar and draw
Line covers hanging plate 22, and removes isolation switch insulation partition, remove electric pole mask, remove ground potential coaster, and operation terminates.
As a preferred technical solution of the present invention, the lead masking hanging plate 22 is in concave shape, and lead covers hanging plate
The coupler body II for being separately installed with the coupler body I 23 mutually mounted with insulator bowl head at 22 top end positions, mutually being mounted with conducting wire
24, lead, which covers, is equipped with connector 26 on hanging plate 22, and connector 26 is installed at lead masking 22 upper position of hanging plate and position
22 length direction middle position of hanging plate is covered in lead, offers handle slot 30, handle slot 30 above lead masking hanging plate 22
Right above connector 26；
As a preferred technical solution of the present invention, connector I 36 is installed on the outer wall of the integration mask,
Integrated mask includes the conducting wire outer cover 32 for covering at the insulator outer cover 31 of exterior insulator and covering at outside conducting wire, absolutely
Edge outer cover (31) and conducting wire outer cover (32) are respectively provided with bottom opening and the two is the integral structure to connect, insulator outer cover 31
Side be equipped with the card slot I 33 that is mutually clamped with insulator bowl head, the side of conducting wire outer cover 32 be equipped with for across conducting wire and with lead
The card slot II 34 that line is mutually clamped, the cross section of insulator outer cover 31 are in N-shaped, and the cross section of conducting wire outer cover 32 is in convex, insulation
The height of sub- outer cover 31 is higher than the height of conducting wire outer cover 32, the cover bottom width degree phase of the width and conducting wire outer cover 32 of insulator outer cover 31
Matching, card slot I 33 and the perpendicular strip of card slot II 34, the top design of card slot I 33 is arc, bottom is designed as splayed,
The top design of card slot II 34 is "-" type, bottom is designed as splayed configuration, and the top of conducting wire outer cover 32 is equipped with handle 35；
As a preferred technical solution of the present invention, the connector 26, connector I 36 are T-shaped, including horizontal peace
Piece installing 27 is horizontally mounted and is equipped with the fixing piece 28 perpendicular with it on part 27, and the bottom of fixing piece 28 is equipped with connection-peg 29,
Drift bolt 25 is installed, the both ends of drift bolt 25 are located at the outside of fixing piece 28 in the diametrical direction of fixing piece 28；
As a preferred technical solution of the present invention, the insulating bar includes and connector 26 or connector I 36
The ferrule 4 plugged, ferrule 4 are installed on the end of insulating driving rod 6, and the outer cover of ferrule 4 is equipped with for fixing
The outer cover of the intermediate ring 3 of connector 26 or connector I 36, intermediate ring 3 is equipped with liftable retaining ring 1, along insulated transmission
The outer tube I 12 being mutually screwed on, outer tube II 13, end and the insulating driving rod 6 of outer tube II 13 are arranged on 6 outer length direction of bar
End is mutually fixed；
As a preferred technical solution of the present invention, the ferrule 4 includes the inserted terminal plugged with connection-peg 29
4-1 and the installation end 4-2 being installed in insulating driving rod 6, inserted terminal 4-1 are structure as a whole with installation end 4-2, inserted terminal 4-1
Outer diameter greater than installation end 4-2 outer diameter to the two junction formed chuck I 14；
As a preferred technical solution of the present invention, the intermediate ring 3 includes the end being sheathed on outside ferrule 4
15, intermediate casing 16, fixing pipe 17, end 15, intermediate casing 16, fixing pipe 17 are end to end integral structure, and three
Outer diameter and internal diameter successively successively decrease to form chuck II 18, in centre in the outer wall junction of end 15 and intermediate casing 16
The inner wall junction of casing 16 and fixing pipe 17 forms chuck III 19, and chuck III 19 is clamped with I 14 phase of chuck；
As a preferred technical solution of the present invention, drift bolt hole I 5 is offered in the fixing pipe 17, is opened on outer tube I 12
Equipped with the drift bolt hole II 10 being used cooperatively with drift bolt hole I 5, the end of outer tube II 13 is equipped with drift bolt hole III 21, insulating driving rod 6
End is equipped with the drift bolt hole IV 8 being used cooperatively with drift bolt hole III 21；
As a preferred technical solution of the present invention, the end 15 is opened up close to one end of electric power tool there are two engraving
Empty calorie slot 20, two hollow out card slots 20 are symmetrical as eccentric axial using the central axis of end 15, and hollow out card slot 20 includes from end 15
Close to electric power tool one end extend to 15 middle position of end vertical hollow slots 20-1, with vertical 21 phase of hollow slots
The end of the horizontal hollow slots 20-2 of perforation, horizontal hollow slots 20-2 are equipped with the arc hollow slots 20-3 upwardly extended；
As a preferred technical solution of the present invention, the vertical hollow slots 20-1 and the intersection horizontal hollow slots 20-2
It is designed as ramped shaped；
As a preferred technical solution of the present invention, the retaining ring 1 includes the spring 9 that part is set in retaining ring 1
And it is butted on the base ring 2 of 9 tail portion of spring, the inner wall of retaining ring 1 is equipped with annular chuck IV 11, annular chuck IV 11 and chuck II 18
It is mutually clamped, the internal diameter of annular chuck IV 11 is less than the outer diameter of chuck II 18, is butted on annular chuck IV 11 at the top of one end of spring 9
On, the other end is butted on base ring 2, and the side of base ring 2 is butted on outer tube I 12.
The operational method of switch is isolated in insulating bar method on-load replacement of the invention, more typical medial potential working
The change of operation mode and the application of rigid insulation shading tool are theed improvement is that, compared to medial potential working method, insulation
Relatively major insulation from aerial lift device with insulated arm insulation arm becomes insulating bar to bar method, and alternate major insulation is still the air gap, insulation
Bar method is dielectrically separated from adjacent two-phase electrical body by rigid insulation masking apparatus realization, plays the role of supplementary insulation, absolutely
In edge bar method operation process, key, which is to insulate, covers the mounting and dismounting of order and drainage thread, and cooperation operating arm dedicated can
Conveniently to realize the comprehensive masking to electrical body and the grounding body that may be touched.Insulating bar method on-load of the invention
It is small to operating environment requirement limitation that switching operations method is isolated in replacement, power tool is convenient for carrying transport, struggles against compared to insulation
Arm vehicle medial potential working has place strong applicability, and cost of investment is low, and personnel have convenient for training, the high advantage of safety coefficient
Help expand livewire work range, improve electric network reliability, ensures that user's normal electricity consumption has great social benefit.
Detailed description of the invention
Fig. 1: the structural schematic diagram of lead masking hanging plate；
Fig. 2: the structural schematic diagram of insulating bar；
Fig. 3: the erection sequence schematic diagram of ferrule, intermediate ring, retaining ring, spring, base ring in insulating driving rod；
Fig. 4: the structural schematic diagram of intermediate ring；
Fig. 5: the structural schematic diagram of ferrule；
Fig. 6: Fig. 4 A is to structural schematic diagram；
Fig. 7: the structural schematic diagram of retaining ring；
Fig. 8: Fig. 7 A-A cuts open structural schematic diagram；
Fig. 9: the structural schematic diagram that retaining ring, spring, base ring match；
Figure 10: the mounting structure schematic diagram of lead masking hanging plate；
Figure 11: the structural schematic diagram of integrated mask；
Figure 12: Figure 11 A-A cuts open structural schematic diagram；
Figure 13: Figure 11 B-B cuts open structural schematic diagram；
Figure 14: Figure 11 left view；
Figure 15: Figure 11 right view；
Figure 16: the mounting structure schematic diagram of mask.
In figure: 1, retaining ring；2, base ring；3, intermediate ring；4, ferrule；5, drift bolt hole I；6, insulating driving rod；7, it insulate
Connection ring；8, drift bolt hole IV；9, chuck III；10, drift bolt hole II；11, chuck IV；12, outer tube I；13, outer tube II；14, chuck I；
15, end；16, intermediate casing；17, fixing pipe；18, chuck II；19, chuck III；20, hollow out card slot；20-1, vertical hollow out
Slot；20-2, horizontal hollow slots；20-3, arc hollow slots；21, drift bolt hole III；22, lead covers hanging plate；23, coupler body I；24, hook
Body II；25, drift bolt；26, connector；27, it is horizontally mounted part；28, fixing piece；29, connection-peg；30, handle slot；31, insulator
Outer cover；32, conducting wire outer cover；33, card slot I；34, card slot II；35, handle；36, connector I.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1
The operational method of switch is isolated in the insulating bar method on-load replacement of the present embodiment, with reference to attached drawing 1-16, this reality
Applying and isolating tool used in the operational method of switch mainly in the insulating bar method on-load replacement of example includes with lower component:
Retaining ring 1, base ring 2, intermediate ring 3, ferrule 4, drift bolt hole I 5, insulating driving rod 6, insulation connection ring 7, drift bolt hole
IV 8, chuck III 9, drift bolt hole II 10, chuck IV 11, outer tube I 12, outer tube II 13, chuck I 14, end 15, intermediate casing 16, solid
Determine pipe 17, chuck II 18, chuck III 19, hollow out card slot 20, vertical hollow slots 20-1, horizontal hollow slots 20-2, arc hollow slots
20-3, drift bolt hole III 21, lead masking hanging plate 22, coupler body I 23, coupler body II 24, drift bolt 25, connector 26, be horizontally mounted part 27,
Fixing piece 28, handle slot 30, insulator outer cover 31, conducting wire outer cover 32, card slot I 33, card slot II 34, handle 35, connects connection-peg 29
Connector I 36.
It is isolated the operational method of switch in the insulating bar method on-load replacement of the present embodiment, includes the following steps:
1) Job readiness: scene is surveyed again, arranges working site, execute work permit system, hold scene station class meeting, detection
Insulating tool, strain insulator and prepare before stepping on bar；
2) operating personnel's first steps on bar to job position on bar, carries out electrical verification to route and device, carries out down after electrical verification is qualified
Single stepping；
3) ground potential coaster is installed on cross-arm by operating personnel's first using insulating bar on bar；
4) operating personnel's first, second installs electric pole mask on bar, carries out insulation masking to electric pole；
5) operating personnel's first, second is coupled two pieces of isolation switch insulation partitions on bar, isolates switch to both sides and carries out
Insulation masking；
6) operating personnel is hung over lead masking hanging plate on side phase conductor and insulator pin using insulating bar on bar,
Complete the insulation masking of opposite side phase terminal；Integrated mask is hung using insulating bar, completes opposite side phase strain insulator, line
The insulation masking of folder and part conducting wire；It (is completed using four sets of shading tools to the effective of both sides phase cross-arm two sides charging equipment
Masking)
7) operating personnel's first, second works in coordination and strips wire insulation at 15cm on the outside of phase conductor wire clamp in two sides on bar
(length for stripping insulating layer should meet the length requirement for installing interim drainage thread and wire clamp of starting to exchange fire)；
8) two operating personnels of first, second install interim insulation lead wire using weighting meter is synchronous, by middle phase
Disconnecting switch bypass；
9) insulation lead wire through-flow situation when adjacent in operating personnel's detection, confirmation shunt it is good after, pull open in be isolated
Switch；
10) operating personnel using abnormity insulation conductor cutter disconnect in isolate switch two sides lead, at this time in be separated by and leave
It closes and is just in electroless state, the disconnecting switch that operating personnel more renews；
11) it is installed to new disconnecting switch, after drawing, closing pass the test, operating personnel uses multifunction insulating on bar
Disconnecting switch two sides lead is accessed main traverse line by operating stick,
12) operating personnel close in isolate switch, be isolated in detection switch it is through-flow it is all right after, operation people on bar
Member is in suitable position, insulation lead wire when synchronizing adjacent in removing using weighting meter.
13) operating personnel using weighting meter removes both sides according to opposite sequence when installation respectively on bar
Mutually integrated mask and lead cover hanging plate, and remove isolation switch insulation partition, remove electric pole mask, remove coaster,
Operating area is left, operation terminates.
14) work terminates to arrange Work tool and site clearing, holds meeting of knocking off, and handles work termination formality.
Connection relationship: lead masking 22 height of hanging plate of the present embodiment is 1.2 meters, and width is 0.9 meter, with a thickness of 4 millimeters,
Lead cover hanging plate be in concave shape, lead masking hanging plate 22 top be equipped with the coupler body I 23 mutually mounted with insulator bowl head, with
The coupler body II 24 that conducting wire mutually mounts, lead, which covers, is equipped with connector 26 on hanging plate 22, connector 26 is connected with dismountable exhausted
Edge operating stick, insulating bar include the ferrule 4 plugged with connection-peg 29, and ferrule 4 is installed on the end of insulating driving rod 6
Portion, the outer cover of metallic plug 4 are equipped with the intermediate ring 3 for fixing electric power tool, and the outer cover of intermediate ring 3 is equipped with liftable
Retaining ring 1, be arranged with the outer tube I 12 being mutually screwed on, outer tube II 13, outer tube II on 6 outer length direction of insulating driving rod
13 end and the end of insulating driving rod 6 are mutually fixed；
The integrated mask of the present embodiment includes covering at the insulator outer cover 31 of exterior insulator and covering at conducting wire
External conducting wire outer cover 32, insulator outer cover (31) is respectively provided with bottom opening with conducting wire outer cover (32) and the two is one to connect
Body structure, the side of insulator outer cover 31 are equipped with the card slot I 33 being mutually clamped with insulator bowl head, and the side of conducting wire outer cover 32 is equipped with
For passing through conducting wire and the card slot II 34 that is mutually clamped with conducting wire, pacify on insulator outer cover 31 and the outer wall of 32 intersection of conducting wire outer cover
Equipped with connector I 36, connector I 36 is connected with dismountable insulating bar, and insulating bar includes inserting with 26 phase of connector
The ferrule 4 connect, ferrule 4 are installed on the end of insulating driving rod 6, and the outer cover of ferrule 4 is equipped with for fixing electric power
The outer cover of the intermediate ring 3 of tool, intermediate ring 3 is equipped with liftable retaining ring 1, along 6 outer length direction of insulating driving rod
On be arranged with the outer tube I 12 being mutually screwed on, outer tube II 13, the end of outer tube II 13 is mutually fixed with the end of insulating driving rod 6；
It is in concave shape that the embodiment of the present invention lead, which covers hanging plate 22, and lead covers the top end positions punishment of hanging plate 22
Coupler body I 23, coupler body II 24 are not installed, connector 26, which is installed at lead masking 22 upper position of hanging plate and is located at lead, to be covered
22 length direction middle position of hanging plate, lead, which covers, offers handle slot 30 above hanging plate 22, and handle slot 30 is located at connector
Right above 26, connector 26 is T-shaped, is horizontally mounted part 27 including being fixed on lead masking hanging plate 22, is horizontally mounted part 27
On the fixing piece 28 perpendicular with it is installed, the bottom of fixing piece 28 is equipped with connection-peg 29, the diametrical direction of fixing piece 28
On drift bolt 25 is installed, the both ends of drift bolt 25 are located at the outside of fixing piece 28；
The cross section of the insulator outer cover 31 of the present embodiment is in N-shaped, and the cross section of conducting wire outer cover 32 is in convex, insulator
The height of outer cover 31 is higher than the height of conducting wire outer cover 32, the cover bottom width degree phase of the width and conducting wire outer cover 32 of insulator outer cover 31
Match, card slot I 33 and the perpendicular strip of card slot II 34, the top design of card slot I 33 is arc, bottom is designed as splayed, is blocked
The top design of slot II 34 is "-" type, bottom is designed as splayed configuration, and the top of conducting wire outer cover 32 is equipped with handle 35；
The ferrule 4 of the present embodiment includes the inserted terminal 4-1 plugged with connection-peg 29 and is installed in insulating driving rod 6
Installation end 4-2, inserted terminal 4-1 is structure as a whole with installation end 4-2, and the outer diameter of inserted terminal 4-1 is greater than the outer diameter of installation end 4-2
To form chuck I 14 in the two junction；
The intermediate ring 3 of the present embodiment includes being sheathed on end 15 ferrule 4 outside, intermediate casing 16, fixing pipe 17, is held
First 15, intermediate casing 16, fixing pipe 17 be end to end integral structure, and the outer diameter of three and internal diameter successively successively decrease to
It is connect with the outer wall junction of intermediate casing 16 formation chuck II 18, in intermediate casing 16 with the inner wall of fixing pipe 17 in end 15
Place forms chuck III 19, and chuck III 19 is clamped with I 14 phase of chuck, offers drift bolt hole I 5 in fixing pipe 17, opens up on outer tube I 12
There is the drift bolt hole II 10 being used cooperatively with drift bolt hole I 5, the end of outer tube II 13 is equipped with drift bolt hole III 21, the end of insulating driving rod 6
End is equipped with the drift bolt hole IV 8 being used cooperatively with drift bolt hole III 21；
The end 15 of the present embodiment is opened up close to one end of electric power tool there are two hollow out card slot 20, two hollow out card slots 20
Symmetrical as eccentric axial using the central axis of end 15, hollow out card slot 20 includes prolonging always from end 15 close to one end of electric power tool
The vertical hollow slots 20-1 for extending to 15 middle position of end, the horizontal hollow slots 20-2 to connect with vertical hollow slots 21, water
The end of flat hollow slots 20-2 is equipped with the arc hollow slots 20-3 upwardly extended；Vertical hollow slots 20-1 and horizontal hollow slots 20-2
Intersection is designed as ramped shaped；
The retaining ring 1 of the present embodiment includes the spring 9 and the base ring 2 for being butted on 9 tail portion of spring that part is set in retaining ring 1,
The inner wall of retaining ring 1 be equipped with annular chuck IV 11, annular chuck IV 11 and II 18 phase of chuck clamping, annular chuck IV 11 it is interior
Diameter is less than the outer diameter of chuck II 18, is butted in annular chuck IV 11 at the top of one end of spring 9, the other end is butted on base ring 2, bottom
The side of ring 2 is butted on outer tube I 12.
The working principle of lead masking hanging plate 22 and integrated mask: the present embodiment is to use insulating bar by lead
It covers hanging plate 22 to hang to conducting wire, coupler body I 23 is hung on the bowl head of insulator, and coupler body II 24 is hung on conducting wire, then opposite direction rotation
Turn operating stick and connector 26 is unlocked into removal operation bar, completes the installation of lead masking hanging plate, pay attention to insulating strain insulator when hanging
Substring is placed in lead masking 22 indent of hanging plate, and the present embodiment is hung mask to conducting wire using insulating bar, mask
Insulator outer cover 31 cover at exterior insulator, conducting wire outer cover 32 covers at outside conducting wire, and the both ends of mask are hung in
On the bowl head and conducting wire of insulator, after hanging, connector 26 is unlocked removal operation bar by opposite direction rotation process bar, is completed
The installation of mask, detailed process is as follows:
The ferrule 4 of the present embodiment is located in intermediate ring 3, and the chuck I 14 of ferrule 4 is connected in the chuck in intermediate ring 3
On III 19, intermediate 3 part of ring is located in retaining ring 1, and the chuck II 18 outside intermediate ring 3 is connected in the chuck inside retaining ring 1
On IV 11, the ring 1 that is locked of the part hollow out card slot 20 on intermediate ring 3 is sheltered from, in use, electrician pole climbing is to appropriate position on bar
It sets, the safe distance of 0.4m or more is kept with electrical body around, ground electrician is covered insulating bar and lead by rope
Hanging plate 22 is uploaded to electrician on bar, and electrician plugs ferrule 4 and connection-peg 29 on bar, then pushes retaining ring 1, makes hollow out
Then all exposures of card slot 20 rotate intermediate ring 3 so that drift bolt 25 be made to be inserted into vertical hollow slots 20-1, drift bolt 25 is mobile
It in horizontal hollow slots 20-2, and then is moved in arc hollow slots 20-3, at this point, retaining ring 1 is multiple under the action of spring 9
Position, drift bolt 25 is tightly stuck in arc hollow slots 20-3 by the top of retaining ring 1, thus by one end of insulating bar and lead
Masking hanging plate 22 is fixed as one, at this point, staff is provoked lead masking hanging plate 22 by insulating bar, coupler body I 23
It hanging on the bowl head of insulator, coupler body II 24 is hung on conducting wire, after hanging, then opposite direction spun outer tube II 13, it will connect
Insulating bar is removed in first 26 unlock, is completed the installation of lead masking hanging plate, is hung mask similarly, staff passes through insulation
Operating stick provokes mask, and I 33 side of card slot of mask is hung on insulator bowl head, and II 34 side of card slot is hung on conducting wire
On, after hanging, then opposite direction spun outer tube II 13, insulating bar is removed into the unlock of connector 26, completes mask
Installation, very easy to use, work efficiency is high, and effect is good, and safety coefficient is high.
Switching operations method is isolated in insulating bar method on-load replacement of the invention, and small, operation is limited to operating environment requirement
Tool is convenient for carrying transport, compared to aerial lift device with insulated arm medial potential working, has place strong applicability, cost of investment is low, people
Member helps to expand livewire work range, improves electric network reliability, ensureing user just convenient for training, the high advantage of safety coefficient
Common electricity has great social benefit.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. isolate the operational method of switch in a kind of replacement of insulating bar method on-load, be characterized in that the following steps are included:
1) electrical verification, is carried out to route and device, carries out next step operation after electrical verification is qualified；
2), ground potential coaster is installed on cross-arm；
3), electric pole mask is installed, insulation masking is carried out to electric pole；
4), isolation switch insulation partition is installed respectively in the phase of both sides, switch is isolated to both sides and carries out insulation masking；
5), lead masking hanging plate (22) is hung on side phase conductor and insulator pin using insulating bar, completes opposite side phase
The insulation of lead is covered, and is hung integrated mask using insulating bar, is completed opposite side phase strain insulator, wire clamp and portion
The insulation of intraphase conductor is covered；
6), wire insulation is stripped at 15-20cm on the outside of phase conductor wire clamp in two sides；
7) interim insulation lead wire, is installed using insulating bar is synchronous, switch bypass is isolated by；
8) insulation lead wire through-flow situation when, adjacent in detection, confirmation shunt it is good after, pull open in isolate switch；
9) switch two sides lead is isolated in, disconnecting, at this time in isolate switch just in electroless state, operating personnel more renews
Disconnecting switch；
10), after new disconnecting switch installs and draws, closes pass the test, using insulating bar by disconnecting switch two sides
Lead accesses main traverse line；
11) switch is isolated in, closing, be isolated in detection switch it is through-flow it is all right after, synchronized and torn open using insulating bar
Insulation lead wire when adjacent in removing；
12), both sides mutually integrated mask and lead are removed respectively according to the sequence opposite with when installation using insulating bar
It covers hanging plate (22), and removes isolation switch insulation partition, remove electric pole mask, remove ground potential coaster, operation terminates；
Connector I (36) is installed, integrated mask includes covering at outside insulator on the outer wall of the integration mask
The insulator outer cover (31) in portion and conducting wire outer cover (32) outside conducting wire is covered at, insulator outer cover (31) and conducting wire outer cover (32)
It is respectively provided with bottom opening and the two is the integral structure to connect, the side of insulator outer cover (31) is equipped with and insulator bowl head phase
The card slot I (33) of clamping, the side of conducting wire outer cover (32) are equipped with for across conducting wire and the card slot II (34) that is mutually clamped with conducting wire,
The cross section of insulator outer cover (31) is in N-shaped, and the cross section of conducting wire outer cover (32) is in convex, the height of insulator outer cover (31)
Higher than the height of conducting wire outer cover (32), the width of insulator outer cover (31) matches with the cover bottom width degree of conducting wire outer cover (32), card
Slot I (33) and the perpendicular strip of card slot II (34), the top design of card slot I (33) is arc, bottom is designed as splayed, is blocked
The top design of slot II (34) is "-" type, bottom is designed as splayed configuration, and handle (35) are equipped at the top of conducting wire outer cover (32).
2. isolating the operational method of switch in a kind of insulating bar method on-load replacement described in accordance with the claim 1, feature exists
In the lead masking hanging plate (22) be in concave shape, lead masking hanging plate (22) top end positions at be separately installed with absolutely
Coupler body I (23) that edge bowl head mutually mounts, the coupler body II (24) mutually mounted with conducting wire, lead cover the company of being equipped on hanging plate (22)
Connector (26), connector (26), which is installed at lead masking hanging plate (22) upper position and is located at lead, covers hanging plate (22) length
Direction middle position, lead masking hanging plate (22) top offer handle slot (30), and handle slot (30) is located at connector (26)
Surface.
3. isolating the operational method of switch in a kind of insulating bar method on-load replacement according to claim 2, feature exists
It is T-shaped in the connector (26) or connector I (36), including part (27) are horizontally mounted, it is horizontally mounted on part (27) and installs
Have the fixing piece perpendicular with it (28), the bottom of fixing piece (28) is equipped with connection-peg (29), the diameter side of fixing piece (28)
It is equipped with drift bolt (25) upwards, the both ends of drift bolt (25) are located at the outside of fixing piece (28).
4. isolating the operational method of switch in a kind of insulating bar method on-load replacement described in accordance with the claim 3, feature exists
It include the ferrule (4) plugged with connector (26) or connector I (36) in the insulating bar, ferrule (4) is installed
In the end of insulating driving rod (6), the outer cover of ferrule (4) is equipped with for fixing connector (26) or connector I (36)
Intermediate ring (3), the outer cover of intermediate ring (3) is equipped with liftable retaining ring (1), along insulating driving rod (6) outer length
The outer tube I (12) being mutually screwed on, outer tube II (13), the end of outer tube II (13) and the end of insulating driving rod (6) are arranged on direction
End is mutually fixed.
5. isolating the operational method of switch in a kind of insulating bar method on-load replacement according to claim 4, feature exists
In the ferrule (4) include the inserted terminal (4-1) plugged with connection-peg (29) and the peace being installed on insulating driving rod (6)
It fills end (4-2), inserted terminal (4-1) is structure as a whole with installation end (4-2), and the outer diameter of inserted terminal (4-1) is greater than installation end (4-2)
Outer diameter to the two junction formed chuck I (14).
6. isolating the operational method of switch in a kind of insulating bar method on-load replacement according to claim 4, feature exists
It include being sheathed on the external end (15) of ferrule (4), intermediate casing (16), fixing pipe (17), end in the intermediate ring (3)
(15), intermediate casing (16), fixing pipe (17) are end to end integral structure, and the outer diameter of three and internal diameter successively successively decrease
To form chuck II (18), in intermediate casing (16) and fixing pipe in the outer wall junction of end (15) and intermediate casing (16)
(17) inner wall junction forms chuck III (19), and chuck III (19) is mutually clamped with chuck I (14).
7. isolating the operational method of switch in a kind of insulating bar method on-load replacement according to claim 6, feature exists
In offering drift bolt hole I (5) on the fixing pipe (17), offers on outer tube I (12) and worn with what drift bolt hole I (5) was used cooperatively
Nail hole II (10), the end of outer tube II (13) are equipped with drift bolt hole III (21), and the end of insulating driving rod (6) is equipped with and drift bolt hole III
(21) the drift bolt hole IV (8) being used cooperatively.
8. isolating the operational method of switch in a kind of insulating bar method on-load replacement according to claim 6, feature exists
There are two opening up in one end of the end (15) close electric power tool hollow out card slot (20), two hollow out card slots (20) are with end
(15) central axis is that eccentric axial is symmetrical, and hollow out card slot (20) includes prolonging always from end (15) close to one end of electric power tool
The vertical hollow slots (20-1) for extending to end (15) middle position, the horizontal hollow slots to connect with vertical hollow slots (21)
(20-2), the end of horizontal hollow slots (20-2) are equipped with the arc hollow slots (20-3) upwardly extended, vertical hollow slots (20-1)
Ramped shaped is designed as with the intersection horizontal hollow slots (20-2).
9. isolating the operational method of switch in a kind of insulating bar method on-load replacement according to claim 6, feature exists
It include the spring (9) and the base ring (2) for being butted on spring (9) tail portion that part is set in retaining ring (1), lock in the retaining ring (1)
The inner wall of tight ring (1) is equipped with annular chuck IV (11), and annular chuck IV (11) is mutually clamped with chuck II (18), annular chuck IV
(11) internal diameter is less than the outer diameter of chuck II (18), is butted in annular chuck IV (11) at the top of one end of spring (9), the other end
It is butted on base ring (2), the side of base ring (2) is butted on outer tube I (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711392786.6A CN107946997B (en) | 2017-12-21 | 2017-12-21 | The operational method of switch is isolated in a kind of replacement of insulating bar method on-load |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711392786.6A CN107946997B (en) | 2017-12-21 | 2017-12-21 | The operational method of switch is isolated in a kind of replacement of insulating bar method on-load |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107946997A CN107946997A (en) | 2018-04-20 |
| CN107946997B true CN107946997B (en) | 2019-07-19 |
Family
ID=61941620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711392786.6A Expired - Fee Related CN107946997B (en) | 2017-12-21 | 2017-12-21 | The operational method of switch is isolated in a kind of replacement of insulating bar method on-load |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107946997B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114094495B (en) * | 2021-12-08 | 2023-10-31 | 云南电网有限责任公司临沧供电局 | Installation method of wire clamp device with insulation shield type without power outage |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5742000A (en) * | 1993-11-03 | 1998-04-21 | Carolina Power & Light Company | Device and method for preventing arcing and resultant flashing during repairs performed inside pad-mounted transformers |
| CN101640390A (en) * | 2009-07-15 | 2010-02-03 | 武汉科瑞德电力科技有限公司 | Live-wire operation method for lapping drainage wire for 35kV distribution circuit |
| CN101728786A (en) * | 2008-10-29 | 2010-06-09 | 国网电力科学研究院 | Protective measure for replacing beeline pole side-phase post insulator in 20kV circuit in charged state |
| CN102394484A (en) * | 2011-12-12 | 2012-03-28 | 辽宁省电力有限公司锦州供电公司 | Method for replacing isolating switch with 10kV load |
| CN103001142A (en) * | 2012-09-03 | 2013-03-27 | 辽宁省电力有限公司鞍山供电公司 | Operation method for on-load replacing of 10kV pole-mounted disconnector |
| CN203932760U (en) * | 2014-06-04 | 2014-11-05 | 国家电网公司 | Isolating switch insulating barrier on a kind of post |
| CN105429031A (en) * | 2015-12-02 | 2016-03-23 | 国网新疆电力公司乌鲁木齐供电公司 | Special insulating barrier for changing pole-mounted circuit breaker |
| CN106410674A (en) * | 2016-11-13 | 2017-02-15 | 国网湖北省电力公司咸宁供电公司 | Hot-line work method for 10-kV distribution line and equipment |
| CN205985893U (en) * | 2016-09-07 | 2017-02-22 | 国网浙江淳安县供电公司 | Electrified column switch professional equipment that changes of indirect bypass of 10kV circuit insulator spindle |
| CN207765879U (en) * | 2018-01-08 | 2018-08-24 | 国网辽宁省电力有限公司鞍山供电公司 | 10kV hard combined type biplate suspension insulator masks |
-
2017
- 2017-12-21 CN CN201711392786.6A patent/CN107946997B/en not_active Expired - Fee Related
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5742000A (en) * | 1993-11-03 | 1998-04-21 | Carolina Power & Light Company | Device and method for preventing arcing and resultant flashing during repairs performed inside pad-mounted transformers |
| CN101728786A (en) * | 2008-10-29 | 2010-06-09 | 国网电力科学研究院 | Protective measure for replacing beeline pole side-phase post insulator in 20kV circuit in charged state |
| CN101640390A (en) * | 2009-07-15 | 2010-02-03 | 武汉科瑞德电力科技有限公司 | Live-wire operation method for lapping drainage wire for 35kV distribution circuit |
| CN102394484A (en) * | 2011-12-12 | 2012-03-28 | 辽宁省电力有限公司锦州供电公司 | Method for replacing isolating switch with 10kV load |
| CN103001142A (en) * | 2012-09-03 | 2013-03-27 | 辽宁省电力有限公司鞍山供电公司 | Operation method for on-load replacing of 10kV pole-mounted disconnector |
| CN203932760U (en) * | 2014-06-04 | 2014-11-05 | 国家电网公司 | Isolating switch insulating barrier on a kind of post |
| CN105429031A (en) * | 2015-12-02 | 2016-03-23 | 国网新疆电力公司乌鲁木齐供电公司 | Special insulating barrier for changing pole-mounted circuit breaker |
| CN205985893U (en) * | 2016-09-07 | 2017-02-22 | 国网浙江淳安县供电公司 | Electrified column switch professional equipment that changes of indirect bypass of 10kV circuit insulator spindle |
| CN106410674A (en) * | 2016-11-13 | 2017-02-15 | 国网湖北省电力公司咸宁供电公司 | Hot-line work method for 10-kV distribution line and equipment |
| CN207765879U (en) * | 2018-01-08 | 2018-08-24 | 国网辽宁省电力有限公司鞍山供电公司 | 10kV hard combined type biplate suspension insulator masks |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107946997A (en) | 2018-04-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203734209U (en) | Live working device for cable bypass | |
| CN107946997B (en) | The operational method of switch is isolated in a kind of replacement of insulating bar method on-load | |
| CN106842448A (en) | A kind of enterprising remaining cable case of cable insulation landing of transformer station | |
| CN108335890B (en) | Portable voltage transformer | |
| CN208024045U (en) | A kind of novel power transmission and distribution electric pole | |
| CN201069751Y (en) | Boundary switch | |
| CN109887798A (en) | A kind of single ground connection combined type ice-melt disconnecting switch | |
| CN109167407A (en) | A kind of aerial earth wire energy obtaining system | |
| CN107910812A (en) | A kind of insulating bar method on-load isolates the special isolation shading tool of switch in replacing | |
| CN208939544U (en) | Can plug protector alternately interconnect grounding box | |
| CN101282033A (en) | User demarcation load switch | |
| CN210016172U (en) | Box-sharing type multifunctional detachable device for GIS | |
| CN209515544U (en) | A kind of single ground connection combined type ice-melt disconnecting switch | |
| CN204144204U (en) | A kind of fast disassembly type outdoor high-voltage current-limiting fuse | |
| CN209515539U (en) | Multifunction combined ice-melt disconnecting switch | |
| CN208015077U (en) | A kind of lightning protection device and its system for ancient building | |
| CN210040043U (en) | Upper outlet wire fixing mechanism for outdoor high-voltage vacuum circuit breaker | |
| CN109244915B (en) | Miniature integrated transformer substation on post | |
| CN206023159U (en) | Pillar spark gap | |
| CN209515540U (en) | A kind of horizontal retractable ice-melt fracture isolating switch structure | |
| CN104184061A (en) | Side-mount type flame-proof type high voltage vacuum distribution device for mining | |
| CN201444171U (en) | Wall bushing mounting voltage transducer | |
| CN216085714U (en) | Floor type installed primary and secondary fusion pole-mounted circuit breaker | |
| CN105069943B (en) | Cable anti-theft arrangement | |
| CN204030406U (en) | Side-mounted flameproof high-voltage vacuum distribution equipment for mining |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190719 Termination date: 20201221 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |