CN106571278A - 'Yi' shape insulating embraced mast for on-load replacement of high pressure cascade fuse - Google Patents
'Yi' shape insulating embraced mast for on-load replacement of high pressure cascade fuse Download PDFInfo
- Publication number
- CN106571278A CN106571278A CN201610996845.XA CN201610996845A CN106571278A CN 106571278 A CN106571278 A CN 106571278A CN 201610996845 A CN201610996845 A CN 201610996845A CN 106571278 A CN106571278 A CN 106571278A
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- China
- Prior art keywords
- clamping piece
- insulating
- high voltage
- voltage drop
- out type
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/0208—Tools for inserting and removing fuses
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Abstract
The invention discloses a 'yi' shape insulating embraced mast for on-load replacement of a high pressure cascade fuse, and relates to an insulating embraced mast. In the prior art, potential safety hazards are large when an operation of 10 kV on-load replacement of the pressure cascade fuse is conducted. The on-load 'yi' shape insulating embraced mast comprises an insulating bar, and wire locking devices which are arranged at the end part of the insulating bar, wherein the insulating bar comprises an upper bar and a lower bar, the middle part of the upper bar and the lower bar is connected through a connecting piece, and the connecting piece comprises a clamping piece used for fixing the insulating rod on a cross arm, a loosening-tightening component used for achieving the looseness and tightness operations of the clamping piece, and a limiting component used for preventing the separation of the upper rod and the lower rod when the clamping piece is loose, the wire locking devices are arranged at the upper end of the upper bar and the lower end of the lower bar. According to the technical scheme, on-load 'yi' shape insulating embraced mast makes it convenient for simultaneous locking of upper and lower leads respectively, and makes it convenient for the replacement of the high pressure cascade fuse; meanwhile, replacement speed and replacement efficiency of the cascade fuse are promoted, metal stress of operation personnel is lowered, and operation safety is improved.
Description
Technical field
The present invention relates to the insulation that a kind of insulating mast assembly, especially a kind of on-load change high voltage drop-out type fuse cutout is embraced
Bar.
Background technology
Fuse is fixed when carrying out on-load replacing high voltage drop-out type fuse cutout at present on 10kV circuits also upper and lower
The specific purpose tool of drainage thread, in current art, when carrying out 10kV on-loads replacing high voltage drop-out type fuse cutout, is not considering absolutely
In the case that edge covers, its substantially step is：
a）Insulation shunt line is installed and short circuit is bypassed；
b）Remove the upper and lower drainage thread of fuse；
c）Change fuse switch；
d）The upper and lower drainage thread of overlap joint fuse；
e）Remove insulation shunt line.
Its potential safety hazard for existing substantially has at 2 points：
The 1st, insulation shunt line is installed and after bypassing short circuit, insulate shunt line and lead junction under fuse need to be carried out tight
Insulation parcel, and with insulation ropes to its interim fixation.Operating personnel in fuse switch Renewal process is carried out, at human body
When junction or junction insulation masking imprecision are touched when earth potential working, it is possible to produce earth fault causes electric burn
Evil.Because of factors such as distribution line device compact in design, narrow spaces, can occur during fixing band electrical lead interim using insulation ropes
Swing, it is possible to which the hidden dangers such as phase fault or ground connection can also occur.
2nd, in traditional work mode, carry out tearing open take the upper and lower drainage thread of fuse during need tight insulation to cover,
The whether tight of insulation masking will directly affect being normally carried out for operation.And in this complicated operation process, insulation masking
For operating personnel, masking more times, longer personnel psychology pressure was bigger, there is naturally inevitable potential safety hazard.
The content of the invention
The technical problem to be solved in the present invention and the technical assignment for proposing are prior art to be improved and is improved,
There is provided on-load change high voltage drop-out type fuse cutout insulating mast assembly, with lifted change high voltage drop-out type fuse cutout safety and
For the purpose of efficiency.For this purpose, the present invention takes technical scheme below.
On-load changes a word insulating mast assembly of high voltage drop-out type fuse cutout, including insulating bar, located at insulation boom end
Locking wire device, described insulating bar include that the centre of upper boom, lower beam, upper boom and lower end is connected by connector, described connector
Including the holder for insulating bar being fixed on cross-arm, the elastic component for realizing the elastic operation of holder, for pressing from both sides
Gripping member prevents the limit component that upper boom and lower beam depart from when unclamping；Described locking wire device is under the upper end and lower beam of upper boom
End.Upper and lower lead is locked respectively while can facilitating by the locking wire device at upper boom, lower beam two ends, using holder and elastic structure
Part can easily realize insulating bar to be fixed on cross-arm, can easily change high voltage drop-out type fuse cutout.
As further improving and supplementing to above-mentioned technical proposal, present invention additionally comprises following additional technical feature.
Described holder includes the upper clamping piece and the lower clamping piece located at lower beam upper end located at upper boom bottom；Described
Elastic component includes the screw rod located at upper clamping piece lower end center and the thread bush matched with screw rod located at lower clamping piece center.Pass through
The torquing operations of screw rod and thread bush realize upper clamping piece and lower clamping piece closer and farther from, realize upper clamping piece and lower clamping piece clamp and
Unclamp the operation of cross-arm.
Described lower beam and upper boom are equipped with central through hole, and described thread bush profile is rotator shaped, including top
Center is the cylinder in the embedded lower beam centre bore of cylindrical sleeve and bottom of screw, and between cylinder and cylindrical sleeve, the periphery at position is provided with
Flange, the lower end of flange push down lower rod end surface.On the one hand the centre bore of lower beam and upper boom can reduce pole stock weight, on the other hand
It is easy to the connection of holder, thread bush to be connected with lower beam by simple structure.
Described lower clamping piece includes the adapter sleeve being nested in outside cylindrical sleeve and the lower holding piece located at the outer side of adapter sleeve, even
The lower end of female connector is provided with the counterbore being pressed on flange, and described upper clamping piece is provided with the rotator shaped of step for periphery, upper clamping piece
Top is embedded in the lower end centre bore of upper boom, and the lower end diameter of upper clamping piece is more than upper end, and step is fitted with the lower surface of upper boom,
The bottom of upper clamping piece is provided with the upper holding piece consistent with lower holding piece position and direction.Upper clamping piece simple structure, and pass through lower folder
Hold piece and upper holding piece realizes the clamping to cross-arm.
Lower surface central lower of the described screw rod located at upper clamping piece, and be integrally formed with upper clamping piece.Screw rod and upper clamping piece
It is integrally formed, larger torsion can be born.
Described upper holding piece and lower holding piece are strip, and upper holding piece outer end is provided with downward gib head.Strip is clamped
Chip architecture is simple, and the lower hook head structure of upper holding piece outer end is easy to link up with cross-arm, is laterally not easy to slip when making clamping.
Described limit component includes the vertical straight pin with stroke groove located at upper clamping piece bottom and adapter sleeve top
With the position-limitting pin of the side insertion stroke groove located at upper clamping piece.During holder is unscrewed, by position-limitting pin and band
The vertical straight pin for having stroke groove is realized spacing, prevents upper boom, lower beam from separating because the screw rod of connector and thread bush depart from, anti-
Only inadvertently fall off.
Described thread bush is affixed with lower beam, is to be rotatably assorted between described thread bush and adapter sleeve.Thread bush is with
Bar is affixed and realizes being rotatably assorted between thread bush and adapter sleeve, in that context it may be convenient to realize realizing holder by rotating lower beam
Elastic operation.
Described locking wire device includes the lock for being fixed in upper boom upper end or lower beam lower end, rotatable to be connected to lock side
Camlock head, the other end of lock is provided with for blocking the dead bolt of camlock head, and dead bolt is by locking bullet below
Spring withstands camlock head, and dead bolt is connected with rotary shaft by connecting pin.Can be convenient from top retaining mechanism by cam-type
Realize the locking to lead.
The outer peripheral face of described camlock head is uniformly provided with the cam tooth with the inconsistent locking of dead bolt；Described rotation
One end of axle is provided with operation handle.When needing to unclamp retaining mechanism, the setting of operation handle is easy to open dead bolt and cam tooth
Conflict, facilitate implementation loosening for lead.
Beneficial effect：Lock upper and lower lead while can facilitating respectively, can be conveniently using holder and elastic component
Realization insulating bar is fixed on cross-arm, can easily change high voltage drop-out type fuse cutout, improve change of fuse speed
Degree and replacing efficiency, reduce the mental pressure of operator, improve processing safety.
Description of the drawings
Fig. 1 is axle geodesic structure schematic diagram of the present invention.
Fig. 2 is positive structure diagram of the present invention.
Fig. 3 be in Fig. 2 of the present invention A-A to cross section structure diagram.
Fig. 4 is side structure schematic view of the present invention.
Fig. 5 is B-B direction cross section structure diagram in Fig. 4 of the present invention
In figure：1- locking wire devices；2- upper booms；3- upper clamping pieces；4- lower beams；5- lower clamping pieces；6- thread bush；7- straight pins；8- spacer pins
Nail；101- camlock heads；102- locks；103- dead bolts；104- operation handles；105- connecting pins；106- rotary shafts；107- locks
Tight spring；The upper holding pieces of 301-；302- screw rods；501- adapter sleeves；502- adapter sleeves；601- cylindrical sleeve；602- flanges.
Specific embodiment
Technical scheme is described in further detail below in conjunction with Figure of description.
As Figure 1-5, on-load changes a word insulating mast assembly of high voltage drop-out type fuse cutout, including insulating bar, is located at
The locking wire device 1 of insulation boom end, insulating bar include that the centre of upper boom 2, lower beam 4, upper boom 2 and lower end is connected by connector, even
Fitting include for insulating bar is fixed on cross-arm holder, the elastic component for realizing the elastic operation of holder, use
The limit component that upper boom 2 and lower beam 4 depart from is prevented when holder unclamps；Locking wire device 1 is located at the upper end of upper boom 2 and lower beam 4
Lower end.
In order to realize that upper clamping piece 3 and lower clamping piece 5 clamp and unclamp the operation of cross-arm, holder is included located at 2 lower end of upper boom
The upper clamping piece 3 in portion and the lower clamping piece 5 located at 4 upper end of lower beam；Elastic component includes the screw rod located at 3 lower end center of upper clamping piece
302 and the thread bush 6 that matches with screw rod 302 located at lower clamping piece 5 center.By the torquing operations reality of screw rod 302 and thread bush 6
Existing upper clamping piece 3 and lower clamping piece 5 closer and farther from realizing that upper clamping piece 3 and lower clamping piece 5 clamp and unclamp the operation of cross-arm.
In order to simplify connecting-piece structure and reduces cost, lower beam 4 and upper boom 2 are equipped with central through hole, and 6 profile of thread bush is
Rotator shaped, including the center on top is the cylinder in embedded 4 centre bore of lower beam of cylindrical sleeve 601 and bottom of screw, cylinder and
Between cylindrical sleeve 601, the periphery at position is provided with flange 602, and 4 end face of lower beam is pushed down in the lower end of flange 602.Lower beam 4 and upper boom 2
On the one hand centre bore can reduce pole stock weight, on the other hand be easy to the connection of holder, thread bush 6 pass through simple structure and
Lower beam 4 connects.
In order to simplify connector and its clamp structure, lower clamping piece 5 includes 502 He of adapter sleeve being nested in outside cylindrical sleeve 601
Located at the lower holding piece 501 of 502 outer side of adapter sleeve, the lower end of adapter sleeve 502 is provided with the counterbore being pressed on flange 602, upper folder
Part 3 is provided with the rotator shaped of step for periphery, and the top of upper clamping piece 3 is embedded in the lower end centre bore of upper boom 2, upper clamping piece 3
Lower end diameter is more than upper end, and step fitted with the lower surface of upper boom 2, the bottom of upper clamping piece 3 be provided with lower 501 position of holding piece and
The consistent upper holding piece 301 in direction.3 simple structure of upper clamping piece, and realized to horizontal stroke by lower holding piece 501 and upper holding piece 301
The clamping of load.
For the bonding strength between lift-bolt 302 and upper clamping piece 3, screw rod 302 is located at the lower surface center of upper clamping piece 3
Lower section, and be integrally formed with upper clamping piece 3.Screw rod 302 is integrally formed with upper clamping piece 3, makes to have between screw rod 302 and upper clamping piece 3
Preferably bonding strength, can bear larger torsion.
In order to prevent lateral disengaging when clamping cross-arm, upper holding piece 301 and lower holding piece 501 for strip, upper clamping
301 outer end of piece is provided with downward gib head.Strip holding piece simple structure, the lower hook head structure of 301 outer end of upper holding piece are easy to hang
Cross-arm is hooked, is laterally not easy to slip when making clamping.
In order to prevent upper boom 2 and lower beam 4 from departing from because holder excessively unscrews, limit component is included under upper clamping piece 3
The vertical straight pin 7 with stroke groove on 502 top of portion and adapter sleeve and located at upper clamping piece 3 side insertion stroke groove it is spacing
Pin 8.During holder is unscrewed, realized by position-limitting pin 8 and the vertical straight pin 7 with stroke groove it is spacing, prevent
Only upper boom 2, lower beam 4 are separated because the screw rod 302 of connector and thread bush 6 depart from, and prevent from inadvertently falling off.
The elastic operation of holder is realized in order to pass through to rotate lower beam 4, thread bush 6 is affixed with lower beam 4, thread bush 6 and company
It is to be rotatably assorted between female connector 502.Thread bush 6 and lower beam 4 are affixed and realize that rotation is matched somebody with somebody between thread bush 6 and adapter sleeve 502
Close, in that context it may be convenient to realize realizing unscrewing and tightening for thread bush 6 and screw rod 302 by rotating lower beam 4, realize the pine of holder
It is tight to operate.
Locking operation of the realization for convenience to lead, locking wire device 1 include being fixed in 4 lower end of 2 upper end of upper boom or lower beam
Lock 102, the rotatable camlock 101 for being connected to 102 side of lock, the other end of lock 102 are provided with for card
The firmly dead bolt 103 of camlock 101, dead bolt 103 withstand camlock 101, dead bolt by locking spring 107 below
103 are connected with rotary shaft 106 by connecting pin 105.Easily can be realized to lead from retaining mechanism is pushed up by cam-type
Locking.
Loosening operation is realized in the clamping to lead for convenience, the outer peripheral face of camlock 101 be uniformly provided with
The cam tooth of 103 inconsistent locking of dead bolt；One end of rotary shaft 106 is provided with operation handle 104.Needing to unclamp retaining mechanism
When, the conflict for opening dead bolt 103 and cam tooth is easy in the setting of operation handle 104, facilitates implementation loosening for lead.
During use, upper holding piece 301 and lower holding piece 501 are laterally enclosed within cross-arm, upper clamping is made by rotating lower beam 4
Piece 301 and lower holding piece 501 clamp cross-arm；The locking wire device 1 of insulating bar upper and lower ends locks the upper and lower lead of fuse respectively；Metal
High voltage drop-out type fuse cutout is changed after carrying out insulation parcel in part.The technology compensate for traditional 10kV on-loads replacing high pressure and fall
All kinds of potential safety hazards of formula fuse.
In this example, locking wire device 1 can realize the wire clamping of scope between 185 molded line of molded line footpath 21mm to 35 footpath 8mm.
In this example, the cylinder outer peripheral face diameter of the folder from top to bottom 5 between locking wire device 1 and upper lower beam 4 is identical, is
35cm。
It is the concrete of the present invention that on-load shown in figure 1 above -5 changes a word insulating mast assembly of high voltage drop-out type fuse cutout
Embodiment, has embodied substantive distinguishing features of the present invention and progress, can be according to actual use needs, in the enlightenment of the present invention
Under, carry out the equivalent modifications of the aspects such as shape, structure to which, this programme protection domain row.
Claims (10)
1. on-load change high voltage drop-out type fuse cutout a word insulating mast assembly, including insulating bar, located at insulation boom end lock
Line device（1）, it is characterised in that：Described insulating bar includes upper boom（2）, lower beam（4）, upper boom（2）Pass through to connect with the centre of lower end
Fitting connect, described connector include for insulating bar is fixed on cross-arm holder, for realizing that holder is elastic
The elastic component of operation, prevent upper boom when unclamping for holder（2）And lower beam（4）The limit component of disengaging；Described locking wire
Device（1）Located at upper boom（2）Upper end and lower beam（4）Lower end.
2. on-load according to claim 1 changes a word insulating mast assembly of high voltage drop-out type fuse cutout, it is characterised in that：
Described holder is included located at upper boom（2）The upper clamping piece of bottom（3）With located at lower beam（4）The lower clamping piece of upper end（5）；Institute
The elastic component stated is included located at upper clamping piece（3）The screw rod at lower end center（302）With located at lower clamping piece（5）Center and screw rod
（302）The thread bush of matching（6）.
3. on-load according to claim 2 changes a word insulating mast assembly of high voltage drop-out type fuse cutout, it is characterised in that：
Described lower beam（4）And upper boom（2）It is equipped with central through hole, described thread bush（6）Profile is rotator shaped, including top
Cylindrical sleeve of the center for screw（601）With the embedded lower beam in bottom（4）Cylinder in centre bore, cylinder and cylindrical sleeve（601）Between
The periphery at position is provided with flange（602）, flange（602）Lower end push down lower beam（4）Upper surface.
4. on-load according to claim 2 changes a word insulating mast assembly of high voltage drop-out type fuse cutout, it is characterised in that：
Described lower clamping piece（5）Including being nested in cylindrical sleeve（601）Outer adapter sleeve（502）With located at adapter sleeve（502）Outer side
Lower holding piece（501）, adapter sleeve（502）Lower end be provided with and be pressed in flange（602）On counterbore, described upper clamping piece（3）For outer
It is provided with the rotator shaped of step, upper clamping piece week（3）Top be embedded into upper boom（2）Lower end centre bore in, upper clamping piece（3）Under
End is with diameter greater than upper end, the step and upper boom of formation（2）Lower surface laminating, upper clamping piece（3）Bottom be provided with and lower holding piece
（501）The position upper holding piece consistent with direction（301）.
5. on-load according to claim 2 changes a word insulating mast assembly of high voltage drop-out type fuse cutout, it is characterised in that：
Described screw rod（302）Located at upper clamping piece（3）Lower surface central lower, and and upper clamping piece（3）It is integrally formed.
6. on-load according to claim 4 changes a word insulating mast assembly of high voltage drop-out type fuse cutout, it is characterised in that：
Described upper holding piece（301）With lower holding piece（501）For strip, upper holding piece（301）Outer end is provided with downward gib head.
7. on-load according to claim 1 changes a word insulating mast assembly of high voltage drop-out type fuse cutout, it is characterised in that：
Described limit component is included located at upper clamping piece（3）Bottom and adapter sleeve（502）The vertical straight pin with stroke groove on top
（7）With located at upper clamping piece（3）Side insertion stroke groove position-limitting pin（8）.
8. on-load according to claim 2 changes a word insulating mast assembly of high voltage drop-out type fuse cutout, it is characterised in that：
Described thread bush（6）With lower beam（4）Affixed, described thread bush（6）With adapter sleeve（502）Between to be rotatably assorted.
9. on-load according to claim 1 changes a word insulating mast assembly of high voltage drop-out type fuse cutout, it is characterised in that：
Described locking wire device（1）Including being fixed in upper boom（2）Upper end or lower beam（4）The lock of lower end（102）, it is rotatable to be connected to lock
Seat（102）The camlock head of side（101）, lock（102）The other end be provided with for blocking camlock head（101）Lock
Tongue（103）, dead bolt（103）By locking spring below（107）Withstand camlock head（101）, dead bolt（103）By even
Pin（105）With rotary shaft（106）Connection.
10. on-load according to claim 9 changes a word insulating mast assembly of high voltage drop-out type fuse cutout, and its feature exists
In：Described camlock head（101）Outer peripheral face be uniformly provided with and dead bolt（103）The cam tooth of inconsistent locking；It is described
Rotary shaft（106）One end be provided with operation handle（104）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610996845.XA CN106571278B (en) | 2016-11-10 | 2016-11-10 | One word insulating mast assembly of on-load replacement high voltage drop-out type fuse cutout |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610996845.XA CN106571278B (en) | 2016-11-10 | 2016-11-10 | One word insulating mast assembly of on-load replacement high voltage drop-out type fuse cutout |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106571278A true CN106571278A (en) | 2017-04-19 |
| CN106571278B CN106571278B (en) | 2019-05-31 |
Family
ID=58542514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610996845.XA Active CN106571278B (en) | 2016-11-10 | 2016-11-10 | One word insulating mast assembly of on-load replacement high voltage drop-out type fuse cutout |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106571278B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106935453A (en) * | 2017-05-08 | 2017-07-07 | 国网山东省电力公司莱芜供电公司 | A kind of fuse switch lead fixed mount |
| CN108418136A (en) * | 2018-04-17 | 2018-08-17 | 国网浙江桐庐县供电有限公司 | It is a kind of it is multi-functional can charged for replacement high voltage drop-out type fuse cutout insulating mast assembly |
| CN108565748A (en) * | 2018-04-17 | 2018-09-21 | 国网浙江桐庐县供电有限公司 | A kind of insulating mast assembly device for replacing fuse switch |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001020633A1 (en) * | 1999-09-15 | 2001-03-22 | Taylor Maddox Technical, Inc. | Apparatus for assisting the manipulation of overhead mounted devices by a handling tool |
| CN104681373A (en) * | 2015-03-04 | 2015-06-03 | 国家电网公司 | 10kV double-column type security isolation drop-out fuse |
| CN204497179U (en) * | 2015-03-06 | 2015-07-22 | 郭志德 | Can charged for replacement overhead transmission line overvoltage protection device |
| CN206116330U (en) * | 2016-11-10 | 2017-04-19 | 国网浙江桐庐县供电公司 | High -tension drop type fuse's insulating pole of embracing of a word is changed to area load |
-
2016
- 2016-11-10 CN CN201610996845.XA patent/CN106571278B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001020633A1 (en) * | 1999-09-15 | 2001-03-22 | Taylor Maddox Technical, Inc. | Apparatus for assisting the manipulation of overhead mounted devices by a handling tool |
| CN104681373A (en) * | 2015-03-04 | 2015-06-03 | 国家电网公司 | 10kV double-column type security isolation drop-out fuse |
| CN204497179U (en) * | 2015-03-06 | 2015-07-22 | 郭志德 | Can charged for replacement overhead transmission line overvoltage protection device |
| CN206116330U (en) * | 2016-11-10 | 2017-04-19 | 国网浙江桐庐县供电公司 | High -tension drop type fuse's insulating pole of embracing of a word is changed to area load |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106935453A (en) * | 2017-05-08 | 2017-07-07 | 国网山东省电力公司莱芜供电公司 | A kind of fuse switch lead fixed mount |
| CN106935453B (en) * | 2017-05-08 | 2019-02-19 | 国网山东省电力公司莱芜供电公司 | A kind of fuse switch lead fixed frame |
| CN108418136A (en) * | 2018-04-17 | 2018-08-17 | 国网浙江桐庐县供电有限公司 | It is a kind of it is multi-functional can charged for replacement high voltage drop-out type fuse cutout insulating mast assembly |
| CN108565748A (en) * | 2018-04-17 | 2018-09-21 | 国网浙江桐庐县供电有限公司 | A kind of insulating mast assembly device for replacing fuse switch |
| CN108565748B (en) * | 2018-04-17 | 2024-06-14 | 国网浙江桐庐县供电有限公司 | Insulating pole holding device for replacing drop-out fuse |
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|---|---|
| CN106571278B (en) | 2019-05-31 |
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