CN107946997A - A kind of insulating bar method on-load isolates the operational method of switch in replacing - Google Patents
A kind of insulating bar method on-load isolates the operational method of switch in replacing Download PDFInfo
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- CN107946997A CN107946997A CN201711392786.6A CN201711392786A CN107946997A CN 107946997 A CN107946997 A CN 107946997A CN 201711392786 A CN201711392786 A CN 201711392786A CN 107946997 A CN107946997 A CN 107946997A
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- switch
- insulating bar
- lead
- outer cover
- masking
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- 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
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- Power Engineering (AREA)
- Insulating Bodies (AREA)
Abstract
The present invention relates to the operational method that a kind of insulating bar method on-load replaces disconnecting switch, is widely used in the work that overhead distribution ground potential method replaces disconnecting switch, belongs to distribution line hotline maintenance site technology field.Comprise the following steps：Lead masking hanging plate is hung on side phase conductor and insulator pin using insulating bar, the insulation masking of opposite side phase terminal is completed, integrated mask is hung using insulating bar, complete the insulation masking of opposite side phase strain insulator, wire clamp and part conducting wire；Be isolated in disconnection switch both sides lead, at this time in be isolated switch be just in electroless state, the disconnecting switch that operating personnel more renews；Disconnecting switch both sides lead is accessed into main traverse line using insulating bar.This method without having a power failure, coordinates complete insulation masking safety device, insulation masking is carried out to electrical body, grounding body and is isolated, ensure that operating personnel keeps enough safe distances with charging equipment, safety coefficient is high in operation.
Description
Technical field
The present invention relates to the operational method that a kind of insulating bar method on-load replaces disconnecting switch, it is widely used in overhead distribution
Circuit ground potential method is replaced in the work of disconnecting switch, belongs to distribution line hotline maintenance site technology field.
Background technology
High voltage isolator is widely used in 10KV distribution lines, be mainly used for " isolated power supply, grid switching operation, to
Connect and cut off small circuital current ", no arc-suppression function.Divide only in the case of no load current, close circuit, it can only be used
His equipment operates again after circuit is disconnected.Because being widely used, the running most common failure of disconnecting switch has：1st, overload,
Contact resistance increase causes contact portion to overheat；2nd, longtime running porcelain insulation damages and flashover electric discharge；3rd, switching on is refused；4、
Mistake switching on.
Have a power failure and replace disconnecting switch and will necessarily interrupt some region of supply of electric power, influence a large number of users normal production and
Life, reduces power supply reliability, totally unfavorable for improving good service and user satisfaction.
On-load is replaced disconnecting switch work and is mainly carried out by medial potential working method at present, 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：1st, orographic condition is relied on, landform is rugged, and narrow space can not meet vehicle parking need
Ask；2nd, of high cost, aerial lift device with insulated arm goes out fare and is higher than pole ascending operation with personnel's expenditure；3rd, compared to medial potential working, ground
Current potential operation is mainly completed by operation lever, ensure that the distance of personnel and electrical body, and safety coefficient is high.
At present, it would be highly desirable to occur isolating switch during a kind of insulating bar method on-load that can solve above-mentioned technical problem is replaced
Operational method.
The content of the invention
The purpose of the present invention is aimed to provide a kind of on-load that can be carried out with ground potential and replaces disconnecting switch operational method, should
Method in operation without have a power failure, coordinate it is complete insulation masking safety device, to electrical body, grounding body carry out insulation masking with every
From guarantee operating personnel keeps enough safe distances with charging equipment, easy to operate, and safety coefficient is high.
A kind of insulating bar method on-load isolates the operational method of switch in replacing, it is characterized in that including following step
Suddenly：
1st, electrical verification is carried out to circuit and device, next step operation is carried out after electrical verification qualification；
2nd, ground potential coaster is installed on cross-arm；
The 3rd, electric pole mask is installed, insulation masking is carried out to electric pole；
The 4th, isolation switch insulation partition plate is installed respectively in the phase of both sides, both sides are isolated with switch and carries out insulation masking；
5th, lead masking hanging plate 22 is hung on side phase conductor and insulator pin using insulating bar, completes opposite side phase terminal
Insulation masking, hang integrated mask using insulating bar, complete opposite side phase strain insulator, wire clamp and part and lead
The insulation masking of line（Effective masking to both sides phase cross-arm both sides charging equipment is completed using four sets of shading tools）；
6th, in both sides on the outside of phase conductor wire clamp wire insulation is divested at 15-20cm（Divesting the length of insulating layer should meet to pacify
Fill the length requirement of interim drainage thread and wire clamp of starting to exchange fire）；
7th, interim insulation lead wire is synchronously installed using insulating bar, switch bypass is isolated by；
8th, insulation lead wire through-flow situation when adjacent in detecting, after confirming that shunting is good, isolates switch in pulling open；
9th, disconnect in be isolated switch both sides lead, at this time in be isolated switch be just in electroless state, operating personnel more renews
Disconnecting switch；
10th, after new disconnecting switch installs and draws, closes pass the test, disconnecting switch both sides are drawn using insulating bar
Line accesses main traverse line；
11st, switch is isolated in closing, be isolated in detection switch it is through-flow it is all right after, use insulating bar synchronously remove
In it is adjacent when insulation lead wire；
12nd, both sides mutually integrated mask and lead screening is removed respectively according to the order opposite with during installation using insulating bar
Hanging plate 22 is covered, and removes isolation switch insulation partition plate, removes electric pole mask, removes ground potential coaster, the end of job.
As a kind of preferable technical solution of the present invention, the lead masking hanging plate 22 is in concave shape, and lead covers hanging plate
The coupler body I 23 mutually mounted with insulator bowl head, the coupler body II mutually mounted with conducting wire are separately installed with 22 top end positions
24, lead, which covers, is provided with connector 26 on hanging plate 22, and connector 26 is installed at 22 upper position of lead masking hanging plate and position
22 length direction middle position of hanging plate is covered in lead, 22 top of lead masking hanging plate offers handle groove 30, handle groove 30
Directly over connector 26；
As a kind of preferable technical solution of the present invention, connector I 36 is installed on the outer wall of the integration mask, one
Changing mask includes covering at the insulator outer cover 31 of exterior insulator and covers at conducting wire outer cover 32 outside conducting wire, insulator
Outer cover 31 and 32 bottom opening of conducting wire outer cover and the two be the integrative-structure to connect, the side of insulator outer cover 31 be equipped with it is exhausted
The card slot I 33 that edge bowl head is mutually clamped, the side of conducting wire outer cover 32 are equipped with the card slot for being used for mutually being clamped through conducting wire and with conducting wire
II 34, 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 with
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 of card slot II 34
Be designed as yi word pattern, bottom is designed as splayed configuration, the top of conducting wire outer cover 32 is provided with handle 35；
As a kind of preferable technical solution of the present invention, the connector 26, connector I 36 are T-shaped, including are horizontally mounted part
27, it is horizontally mounted and the fixing piece 28 perpendicular with it is installed on part 27, the bottom of fixing piece 28 is provided with connection-peg 29, fixed
Drift bolt 25 is installed, the both ends of drift bolt 25 are located at the outside of fixing piece 28 in the diametric(al) of part 28；
As a kind of preferable technical solution of the present invention, the insulating bar includes inserting with connector 26 or I 36 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, which is equipped with, to be used to fix connection
First 26 or the middle ring 3 of connector I 36, the outer cover of middle ring 3 is equipped with liftable retaining ring 1, along outside insulating driving rod 6
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 with portion's length direction
It is mutually fixed；
As a kind of preferable technical solution of the present invention, the ferrule 4 include the inserted terminal 4-1 plugged with connection-peg 29 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, the outside diameter of inserted terminal 4-1
Outside diameter more than installation end 4-2 is so as in the two junction formation chuck I 14；
As a kind of preferable technical solution of the present invention, the middle ring 3 include being sheathed on the termination 15 outside ferrule 4, in
Between casing 16, fixing pipe 17, termination 15, intermediate casing 16, fixing pipe 17 are end to end integrative-structure, and the outside diameter of three
And internal diameter successively decreases so as to form chuck II 18 in the outer wall junction of termination 15 and intermediate casing 16, in intermediate casing 16 successively
Chuck III 19 is formed with the inner wall junction of fixing pipe 17, chuck III 19 is clamped with I 14 phase of chuck；
As a kind of preferable technical solution of the present invention, drift bolt hole I 5 is offered in the fixing pipe 17, is offered on outer tube I 12
The drift bolt hole II 10 being used cooperatively with drift bolt hole I 5, the end of outer tube II 13 are equipped with drift bolt hole III 21, the end of insulating driving rod 6
Equipped with the drift bolt hole IV 8 being used cooperatively with drift bolt hole III 21；
As a kind of preferable technical solution of the present invention, the termination 15 offers two hollow out cards close to one end of electric power tool
Groove 20, two hollow out card slots 20 are symmetrical as eccentric axial using the central shaft of termination 15, and hollow out card slot 20 includes close from termination 15
One end of electric power tool extends to the vertical hollow slots 20-1 of 15 middle position of termination, connects with vertical hollow slots 21
Horizontal hollow slots 20-2, the end of horizontal hollow slots 20-2 is equipped with the arc hollow slots 20-3 upwardly extended；
As a kind of preferable technical solution of the present invention, the vertical hollow slots 20-1 is designed with horizontal hollow slots 20-2 intersections
For ramped shaped；
As a kind of preferable technical solution of the present invention, the retaining ring 1 includes the spring 9 being partly arranged in retaining ring 1 and supports
In the base ring 2 of 9 afterbody of spring, the inner wall of retaining ring 1 is equipped with annular chuck IV 11, annular chuck IV 11 and II 18 phase card of chuck
Connecing, the internal diameter of annular chuck IV 11 is less than the outside diameter of chuck II 18, is butted at the top of one end of spring 9 in annular chuck IV 11,
The other end is butted on base ring 2, and the side of base ring 2 is butted on outer tube I 12.
The insulating bar method on-load of the present invention isolates the operational method of switch in replacing, more typical medial potential working
The change of operating type and the application of rigid insulation shading tool are theed improvement is that, compared to medial potential working method, insulation
Relatively major insulation is changed into insulating bar to bar method from aerial lift device with insulated arm insulation arm, and alternate major insulation is still the air gap, insulation
Bar method is realized by rigid insulation masking apparatus and adjacent two-phase electrical body is dielectrically separated from, and 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, coordinates operating arm dedicated can
Conveniently to realize the comprehensive masking to electrical body and the grounding body that may be touched.The insulating bar method on-load of the present 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
The advantages of arm car medial potential working, has place strong applicability, and cost of investment is low, and personnel are easy to training, and safety coefficient is high, has
Help expand livewire work scope, improve electric network reliability, ensure that user's normal electricity consumption has great social benefit.
Brief description of the drawings
Fig. 1：Lead covers the structure diagram of hanging plate；
Fig. 2：The structure diagram of insulating bar；
Fig. 3：The erection sequence schematic diagram of ferrule, middle ring, retaining ring, spring, base ring in insulating driving rod；
Fig. 4：The structure diagram of middle ring；
Fig. 5：The structure diagram of ferrule；
Fig. 6：The A of Fig. 5 is to structure diagram；
Fig. 7：The structure diagram of retaining ring；
Fig. 8：The A-A of Fig. 7 cuts open structure diagram；
Fig. 9：The matched structure diagram of retaining ring, spring, base ring；
Figure 10：Lead covers the mounting structure schematic diagram of hanging plate；
Figure 11：The structure diagram of integrated mask；
Figure 12：The A-A of Figure 11 cuts open structure diagram；
Figure 13：The B-B of Figure 11 cuts open structure diagram；
Figure 14：The left view of Figure 11；
Figure 15：The right view of Figure 11；
Figure 16：The mounting structure schematic diagram of mask.
In figure：1st, retaining ring；2nd, base ring；3rd, middle ring；4th, ferrule；5th, drift bolt hole I；6th, insulating driving rod；7th, insulate
Connection ring；8th, drift bolt hole IV；9th, chuck III；10th, drift bolt hole II；11st, chuck IV；12nd, outer tube I；13rd, outer tube II；14th, chuck I；
15th, termination；16th, intermediate casing；17th, fixing pipe；18th, chuck II；19th, chuck III；20th, hollow out card slot；20-1, vertical hollow out
Groove；20-2, horizontal hollow slots；20-3, arc hollow slots；21st, drift bolt hole III；22nd, lead masking hanging plate；23rd, coupler body I；24th, hook
Body II；25th, drift bolt；26th, connector；27th, it is horizontally mounted part；28th, fixing piece；29th, connection-peg；30th, handle groove；31st, insulator
Outer cover；32nd, conducting wire outer cover；33rd, card slot I；34th, card slot II；35th, handle；36th, connector I.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, belongs to the scope of protection of the invention.
Embodiment 1
The insulating bar method on-load of the present embodiment isolates the operational method of switch, refer to the attached drawing 1-16, the present embodiment in replacing
Insulating bar method on-load replace in be isolated the instrument used in the operational method of switch mainly include with lower component：
Retaining ring 1, base ring 2, middle 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, termination 15, intermediate casing 16, fixing pipe
17th, 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, be fixed
Part 28, connection-peg 29, handle groove 30, insulator outer cover 31, conducting wire outer cover 32, card slot I 33, card slot II 34, handle 35, connector
Ⅰ36。
The insulating bar method on-load of the present embodiment isolates the operational method of switch in replacing, include the following steps：
1）Job readiness：Scene is surveyed, arranges working site, perform work permit system, hold scene station class meeting, detection insulation again
Work tool, strain insulator and prepare before stepping on bar；
2）Operating personnel's first steps on bar to job position on bar, and electrical verification is carried out to circuit and device, is carried out in next step after electrical verification qualification
Operation；
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, and insulation masking is carried out to electric pole；
5）Operating personnel's first, second coordinates two pieces of isolation switch insulation partition plates of installation on bar, isolates switch to both sides and insulate
Masking；
6）Operating personnel is hung over lead masking hanging plate on side phase conductor and insulator pin using insulating bar on bar, is completed
The insulation masking of opposite side phase terminal；Hang integrated mask using insulating bar, complete opposite side phase strain insulator, wire clamp with
And the insulation masking of part conducting wire；（Effective masking to both sides phase cross-arm both sides charging equipment is completed using four sets of shading tools）
7）Operating personnel's first, second works in coordination and divests wire insulation at 15cm on the outside of phase conductor wire clamp in both sides on bar（Stripping
Except the length of insulating layer should meet to install the length requirement of interim drainage thread and wire clamp of starting to exchange fire）；
8）Two operating personnels of first, second synchronously install interim insulation lead wire using weighting meter, are isolated by
Switch bypass；
9）Insulation lead wire through-flow situation when adjacent in operating personnel's detection, after confirming that shunting is good, isolates switch in pulling open；
10）Operating personnel using abnormity insulation conductor cutter disconnect in is isolated switch both sides lead, at this time in be isolated switch just
In electroless state, disconnecting switch that operating personnel more renews；
11）Treat that new disconnecting switch installs, after drawing, closing pass the test, operating personnel is operated using multifunction insulating on bar
Disconnecting switch both sides lead is accessed main traverse line by bar,
12）Operating personnel isolates switch in closing, be isolated in detection switch it is through-flow it is all right after, operating personnel exists on bar
Suitable position, insulation lead wire when adjacent in synchronously being removed using weighting meter.
13）Operating personnel removes both sides respectively using weighting meter according to the order opposite with during installation on bar
Mutually integrated mask and lead masking hanging plate, and isolation switch insulation partition plate is removed, electric pole mask is removed, removes coaster,
Leave operating area, the end of job.
14）Work terminates to arrange Work tool and site clearing, holds meeting of knocking off, and handles work termination formality.
Connection relation：Lead 22 height of masking hanging plate of the present embodiment is 1.2 meters, and width is 0.9 meter, and thickness is 4 millimeters,
Lead masking hanging plate be in concave shape, the top of lead masking hanging plate 22 be provided with the coupler body I 23 that is mutually mounted with insulator bowl head and
The coupler body II 24 that conducting wire mutually mounts, lead, which covers, is provided with connector 26 on hanging plate 22, connector 26 is connected with dismountable exhausted
Edge operation lever, 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 middle ring 3 for being used for fixing electric power tool, and the outer cover of middle 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 along 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 covers at outside conducting wire
Conducting wire outer cover 32, insulator outer cover 31 and 32 bottom opening of conducting wire outer cover and the two be the integrative-structure to connect, insulator
The side of outer cover 31 is equipped with the card slot I 33 being mutually clamped with insulator bowl head, and the side of conducting wire outer cover 32, which is equipped with, to be used for through conducting wire
And the card slot II 34 being mutually clamped with conducting wire, insulator outer cover 31 on the outer wall of 32 intersection of conducting wire outer cover with being provided with connector I
36, connector I 36 is connected with dismountable insulating bar, and insulating bar includes the ferrule 4 plugged with connector 26,
Ferrule 4 is installed on the end of insulating driving rod 6, and the outer cover of ferrule 4 is equipped with the middle ring for being used for fixing electric power tool
3, the outer cover of middle ring 3 is equipped with liftable retaining ring 1, is arranged with along on 6 outer length direction of insulating driving rod and mutually revolves
Outer tube I 12, the outer tube II 13 connect, the end of outer tube II 13 are mutually fixed with the end of insulating driving rod 6；
The lead masking hanging plate 22 of the present embodiment is in concave shape, is pacified respectively at the top end positions of lead masking hanging plate 22
Equipped with coupler body I 23, coupler body II 24, connector 26 is installed at 22 upper position of lead masking hanging plate and positioned at lead masking hanging plate
22 length direction middle positions, 22 top of lead masking hanging plate offer handle groove 31, and handle groove 31 is being located at connector 26 just
Top, connector 26 is T-shaped, including is fixed on lead masking hanging plate 22 and is horizontally mounted part 27, is horizontally mounted on part 27 and pacifies
Equipped with the fixing piece 28 perpendicular with it, the bottom of fixing piece 28 is provided with connection-peg 29, pacifies in the diametric(al) of fixing piece 28
Equipped with drift bolt 30, the both ends of drift bolt 30 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 outer cover
31 height is higher than the height of conducting wire outer cover 32, and 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, card slot II
34 top design is yi word pattern, bottom is designed as splayed configuration, and the top of conducting wire outer cover 32 is provided with handle 35；
The ferrule 4 of the present embodiment includes the inserted terminal 4-1 plugged with connection-peg 29 and the peace being installed in insulating driving rod 6
Fill end 4-2, inserted terminal 4-1 is structure as a whole with installation end 4-2, outside diameter of the outside diameter more than installation end 4-2 of inserted terminal 4-1 so that
Chuck I 14 is formed in the two junction；
The middle ring 3 of the present embodiment includes being sheathed on termination 15 outside ferrule 4, intermediate casing 16, fixing pipe 17, termination
15th, intermediate casing 16, fixing pipe 17 are end to end integrative-structure, and the outside diameter of three and internal diameter successively decrease successively so as to
Termination 15 and the outer wall junction of intermediate casing 16 form chuck II 18, in the inner wall junction of intermediate casing 16 and fixing pipe 17
Chuck III 19 is formed, chuck III 19 is clamped with I 14 phase of chuck, is offered drift bolt hole I 5 in fixing pipe 17, is offered on outer tube I 12
The drift bolt hole II 10 being used cooperatively with drift bolt hole I 5, the end of outer tube II 13 are equipped with drift bolt hole III 21, the end of insulating driving rod 6
Equipped with the drift bolt hole IV 8 being used cooperatively with drift bolt hole III 21；
The termination 15 of the present embodiment offers two hollow out card slots 20 close to one end of electric power tool, and two hollow out card slots 20 are with end
First 15 central shaft is symmetrical for eccentric axial, and hollow out card slot 20 includes extending to from termination 15 close to one end of electric power tool
The vertical hollow slots 20-1 of 15 middle position of termination, the horizontal hollow slots 20-2 to connect with vertical hollow slots 21, level are engraved
The end of empty slot 20-2 is equipped with the arc hollow slots 20-3 upwardly extended；Vertical hollow slots 20-1 intersects with horizontal hollow slots 20-2
Place is designed as ramped shaped；
The retaining ring 1 of the present embodiment includes the spring 9 being partly arranged in retaining ring 1 and the base ring 2 for being butted on 9 afterbody of spring, locking
The inner wall of ring 1 is equipped with annular chuck IV 11, and annular chuck IV 11 is clamped with II 18 phase of chuck, and the internal diameter of annular chuck IV 11 is small
It is butted at the top of the outside diameter of chuck II 18, one end of spring 9 in annular chuck IV 11, the other end is butted on base ring 2, base ring 2
Side be butted on outer tube I 12.
Lead covers the operation principle of hanging plate 22 and integrated mask：The present embodiment is to use insulating bar by lead
Masking hanging plate 22 is hung to conducting wire, and 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 operation lever and connector 26 is unlocked into removal operation bar, complete 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 is covered 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 are as follows：
The ferrule 4 of the present embodiment is located in middle ring 3, and the chuck I 14 of ferrule 4 is connected in the chuck III 19 in middle ring 3
On, middle 3 part of ring is located in retaining ring 1, and the chuck II 18 outside middle ring 3 is connected in the chuck IV 11 inside retaining ring 1
On, the ring 1 that is locked of the part hollow out card slot 20 on middle ring 3 shelters from, in use, on bar electrician pole climbing to appropriate location, with
Surrounding electrical body keeps the safe distance of more than 0.4m, and insulating bar and lead are covered hanging plate 22 by ground electrician by rope
Electrician on bar is uploaded to, electrician plugs ferrule 4 and connection-peg 29 on bar, then pushes retaining ring 1, makes hollow out card slot 20
All exposures, so that drift bolt 25 is inserted into vertical hollow slots 20-1, then rotates middle ring 3, drift bolt 25 are moved to level
In hollow slots 20-2, and then it is moved in arc hollow slots 20-3, at this time, retaining ring 1 resets under the action of spring 9, locking
Drift bolt 25 is tightly stuck in arc hollow slots 20-3 by the top of ring 1, so that one end of insulating bar and lead masking be hung
Plate 22 is fixed as one, and at this time, staff is provoked lead masking hanging plate 22 by insulating bar, and coupler body I 23 is hung over absolutely
On the bowl head of edge, coupler body II 24 is hung on conducting wire, after hanging, then opposite direction spun outer tube II 13, connector 26 is solved
Lock removes insulating bar, completes the installation of lead masking hanging plate, hangs mask similarly, staff passes through insulating bar
Mask is provoked, 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, is hung
After, then opposite direction spun outer tube II 13, insulating bar is removed into the unlock of connector 26, the installation of mask is completed, makes
With very convenient, work efficiency is high, and effect is good, and safety coefficient is high.
The insulating bar method on-load of the present invention isolates switching operations method and limits small, operation to operating environment requirement in replacing
Instrument 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
The advantages of member is easy to training, and safety coefficient is high, helps to expand livewire work scope, improves electric network reliability, ensureing user just
Common electricity has great social benefit.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of changes, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (10)
1. a kind of insulating bar method on-load isolates the operational method of switch in replacing, it is characterized in that comprising the following steps：
1）, electrical verification is carried out to circuit and device, carry out next step operation after electrical verification qualification；
2）, ground potential coaster is installed on cross-arm；
3）, installation electric pole mask, insulation masking is carried out to electric pole；
4）, isolation switch insulation partition plate is installed respectively in the phase of both sides, both sides are isolated with switch and carries out insulation masking；
5）, using insulating bar lead is covered into hanging plate（22）Hang on side phase conductor and insulator pin, complete opposite side phase
The insulation masking of lead, hangs integrated mask using insulating bar, completes opposite side phase strain insulator, wire clamp and portion
The insulation masking of intraphase conductor；
6）, in both sides divest wire insulation at 15-20cm on the outside of phase conductor wire clamp；
7）, using insulating bar interim insulation lead wire is synchronously installed, switch bypass is isolated by；
8）, it is adjacent in detection when the through-flow situation of insulation lead wire, after confirming that shunting is good, switch is isolated in pulling open；
9）, switch both sides lead is isolated in disconnection, at this time in isolate switch and be just in electroless state, operating personnel more renews
Disconnecting switch；
10）, install and draw after new disconnecting switch, close pass the test after, using insulating bar by disconnecting switch both sides
Lead accesses main traverse line；
11）, close in isolate switch, be isolated in detection switch it is through-flow it is all right after, synchronously torn open using insulating bar
Insulation lead wire when adjacent in removing；
12）, using insulating bar remove both sides mutually integrated mask and lead respectively according to opposite order during installation
Cover hanging plate（22）, and remove isolation switch insulation partition plate, remove electric pole mask, remove ground potential coaster, the end of job.
2. a kind of insulating bar method on-load described in accordance with the claim 1 isolates the operational method of switch in replacing, feature exists
Hanging plate is covered in the lead（22）In concave shape, lead masking hanging plate（22）Top end positions at be separately installed with absolutely
The coupler body I that edge bowl head mutually mounts（23）, the coupler body II that mutually mounts with conducting wire（24）, lead masking hanging plate（22）On the company of being provided with
Connector（26）, connector（26）It is installed on lead masking hanging plate（22）At upper position and positioned at lead masking hanging plate（22）Length
Direction middle position, lead masking hanging plate（22）Top offers handle groove（30）, handle groove（30）Positioned at connector（26）
Surface.
3. a kind of insulating bar method on-load described in accordance with the claim 1 isolates the operational method of switch in replacing, feature exists
In being provided with connector I on the outer wall of the integrated mask（36）, integrated mask is including covering at exterior insulator
Insulator outer cover（31）And cover at conducting wire outer cover outside conducting wire（32）, insulator outer cover（31）With conducting wire outer cover（32）Bottom
Portion's opening and the two be the integrative-structure to connect, insulator outer cover（31）Side be equipped with the card that is mutually clamped with insulator bowl head
Groove I（33）, conducting wire outer cover（32）Side be equipped with the card slot II for being used for mutually being clamped through conducting wire and with conducting wire（34）, outside insulator
Cover（31）Cross section be in N-shaped, conducting wire outer cover（32）Cross section be in convex, insulator outer cover（31）Height be higher than conducting wire
Outer cover（32）Height, insulator outer cover（31）Width and conducting wire outer cover（32）Cover bottom width degree match, card slot I（33）With
Card slot II（34）Perpendicular strip, card slot I（33）Top design be designed as splayed, card slot II for arc, bottom（34）
Top design be designed as splayed configuration, conducting wire outer cover for yi word pattern, bottom（32）Top handle is installed（35）.
4. the operational method of switch, feature are isolated in being replaced according to a kind of insulating bar method on-load described in Claims 2 or 3
It is the connector（26）Or connector I（36）It is T-shaped, including it is horizontally mounted part（27）, it is horizontally mounted part（27）Upper peace
Equipped with the fixing piece perpendicular with it（28）, fixing piece（28）Bottom connection-peg is installed（29）, fixing piece（28）Diameter
Drift bolt is installed on direction（25）, drift bolt（25）Both ends be located at fixing piece（28）Outside.
5. isolating the operational method of switch in being replaced according to a kind of insulating bar method on-load described in claim 4, feature exists
Include and connector in the insulating bar（26）Or connector I（36）The ferrule plugged（4）, ferrule（4）Installation
In insulating driving rod（6）End, ferrule（4）Outer cover be equipped be used for fix connector（26）Or connector I（36）
Middle ring（3）, middle ring（3）Outer cover be equipped with liftable retaining ring（1）, along insulating driving rod（6）Outer length
The outer tube I being mutually screwed on is arranged with direction（12）, outer tube II（13）, outer tube II（13）End and insulating driving rod（6）End
End is mutually fixed.
6. isolating the operational method of switch in being replaced according to a kind of insulating bar method on-load described in claim 5, feature exists
In the ferrule（4）Including with connection-peg（29）The inserted terminal plugged（4-1）And it is installed on insulating driving rod（6）On peace
Fill end（4-2）, inserted terminal（4-1）With installation end（4-2）It is structure as a whole, inserted terminal（4-1）Outside diameter be more than installation end（4-2）
Outside diameter so as to the two junction formed chuck I（14）.
7. isolating the operational method of switch in being replaced according to a kind of insulating bar method on-load described in claim 5, feature exists
In the middle ring（3）Including being sheathed on ferrule（4）Exterior termination（15）, intermediate casing（16）, fixing pipe（17）, termination
（15）, intermediate casing（16）, fixing pipe（17）For end to end integrative-structure, and the outside diameter of three and internal diameter successively decrease successively
So as in termination（15）With intermediate casing（16）Outer wall junction formed chuck II（18）, in intermediate casing（16）With fixing pipe
（17）Inner wall junction formed chuck III（19）, chuck III（19）With chuck I（14）Mutually it is clamped.
8. isolating the operational method of switch in being replaced according to a kind of insulating bar method on-load described in claim 7, feature exists
In the fixing pipe（17）On offer drift bolt hole I（5）, outer tube I（12）On offer and drift bolt hole I（5）What is be used cooperatively wears
Nail II（10）, outer tube II（13）End be equipped with drift bolt hole III（21）, insulating driving rod（6）End be equipped with and drift bolt hole III
（21）The drift bolt hole IV being used cooperatively（8）.
9. isolating the operational method of switch in being replaced according to a kind of insulating bar method on-load described in claim 7, feature exists
In the termination（15）Two hollow out card slots are offered close to one end of electric power tool（20）, two hollow out card slots（20）With termination
（15）Central shaft for eccentric axial it is symmetrical, hollow out card slot（20）Including from termination（15）Prolong always close to one end of electric power tool
Extend termination（15）The vertical hollow slots of middle position（20-1）, with vertical hollow slots（21）The horizontal hollow slots to connect
（20-2）, horizontal hollow slots（20-2）End be equipped with the arc hollow slots that upwardly extend（20-3）, vertical hollow slots（20-1）
With horizontal hollow slots（20-2）Intersection is designed as ramped shaped.
10. isolating the operational method of switch in being replaced according to a kind of insulating bar method on-load described in claim 7, feature exists
In the retaining ring（1）Retaining ring is arranged on including part（1）Interior spring（9）And it is butted on spring（9）The base ring of afterbody（2）, lock
Tight ring（1）Inner wall be equipped with annular chuck IV（11）, annular chuck IV（11）With chuck II（18）Mutually it is clamped, annular chuck IV
（11）Internal diameter be less than chuck II（18）Outside diameter, spring（9）One end at the top of be butted on annular chuck IV（11）On, the other end
It is butted on base ring（2）On, base ring（2）Side be butted on outer tube I（12）On.
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 |
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| CN107946997A true CN107946997A (en) | 2018-04-20 |
| CN107946997B CN107946997B (en) | 2019-07-19 |
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| 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 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114094495A (en) * | 2021-12-08 | 2022-02-25 | 云南电网有限责任公司临沧供电局 | Method for mounting molded line clamp device with insulating shield without power outage |
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| Publication number | Publication date |
|---|---|
| CN107946997B (en) | 2019-07-19 |
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