CN108376960A - A kind of highly resistance short-circuit capability high pressure common phase bus duct - Google Patents
A kind of highly resistance short-circuit capability high pressure common phase bus duct Download PDFInfo
- Publication number
- CN108376960A CN108376960A CN201810314293.9A CN201810314293A CN108376960A CN 108376960 A CN108376960 A CN 108376960A CN 201810314293 A CN201810314293 A CN 201810314293A CN 108376960 A CN108376960 A CN 108376960A
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- CN
- China
- Prior art keywords
- shell
- high pressure
- phase bus
- common phase
- bus duct
- Prior art date
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G5/00—Installations of bus-bars
- H02G5/06—Totally-enclosed installations, e.g. in metal casings
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- Laying Of Electric Cables Or Lines Outside (AREA)
- Installation Of Bus-Bars (AREA)
Abstract
The invention discloses a kind of highly resistance short-circuit capability high pressure common phase bus ducts, it is related to controller switching equipment technical field, including box-like shell, shell both ends open is arranged, it is fixed with several support porcelain vases in shell and is connected to the connection gold utensil on support porcelain vase top, the fixing piece of the connector and the fixed support porcelain vase of installation for connecting support porcelain vase is additionally provided in shell.Operating personnel of the present invention need not operate in installation and removal in shell, connection strap, connection gold utensil and support porcelain vase can integrally be mounted and dismounted, and the operation of fixing piece is only needed to carry out outside shell, largely facilitate installation and repair and maintenance of the operating personnel to common phase bus duct, the advantages of with that can carry out Fast Installation, dismounting to part therein, improve operating personnel's installation and the working efficiency of repair and maintenance.
Description
Technical field
The present invention relates to controller switching equipment technical fields, more particularly to a kind of highly resistance short-circuit capability high pressure common phase bus duct.
Background technology
In modern high-rise building and large-scale workshop, the electric energy of transmission of electricity is larger, and in face of this it is huge meet it is required at hundred
The upper powerful electric current of kiloampere needs to select to install reliable transmission equipment, therefore selects enclosed busbar tank systems efficient as one
The power distribution equipment of electric current is conveyed to adapt to the wiring needs of higher and higher building and large-scale plant.
Enclosed busbar is by metallic plate（Steel plate or aluminium sheet）For protection shell, busbar, insulating materials and related attachment group
At bus-bar system.It includes isolated-phase enclosed bus, altogether case（Containing common phase every phase）Enclosed busbar and cable bus are widely used in hair
Power plant, electric substation, industry and civilian power supply lead.
Altogether case enclosed busbar include not every be mutually total to case enclosed busbar, every be mutually total to case enclosed busbar and alternating current-direct current excitation be total to case female
Line, is widely used between 100MW or less generators lead-out wire and main transformer low-pressure side or 75MW and the above unit station-service transformation
Electric current transmission between device low-pressure side and high voltage distribution installation.Case enclosed busbar can also be used for generator alternating current-direct current excitation time altogether
Road, electric substation's electricity consumption introduce the power supply lead wire of busbar or other industrial civilian installations.
Case enclosed busbar conductor uses copper aluminium bus array or the compact operation and maintenance amount easy for installation of slot aluminium slot steel structure altogether
Small, degree of protection IP54 can substantially eliminate earth fault caused by extraneous moisture dust and foreign object.Its shell uses aluminium sheet
It is made, antiseptic property is good, and avoids the loss of the extraneous turbulence caused by steel shell；Shell is electrically all connected to simultaneously
Multipoint earthing, prevents personal Danger Electric shock risk and is not required to setting wire net to simplify requirement to civil engineering.Being needed according to user can be
Heat-shrinkable T bush is covered on busbar, and heater and respirator etc. are installed in babinet to reinforce insulation.
Currently, the Chinese patent of Publication No. CN103515896A discloses a kind of high voltage common-case busbar, it includes shell
With several busbars, the rectangular in cross-section of the shell, the busbar is mutually equidistant, is disposed in parallel in the shell to tiling
In, several insulation gap support devices are equipped on the length direction in shell, the busbar is supported by insulation gap and filled
It sets and is connected in the shell；
The insulation gap support device includes insulator, support bar, transverse slider and longitudinal fixture block；The bottom surface of the insulator
It is fixedly connected on the plate inner wall of the shell；The top surface of the support bar is equipped with the slot for housing busbar, the slot
Side offer fourth of the twelve Earthly Branches slot；The bottom surface of the support bar is fixedly connected on the top surface of the insulator.
Although this high voltage common-case busbar has product weight light, at low cost excellent relative to existing common box bus slot
Gesture, but since its shell is completely enclosed, insulator is directly anchored in the groove of supporting block, in order to ensure integrally-built jail
Solidity, insulator connect with supporting block it is extremely secured, under the influence of closing shell, operating personnel be difficult to pontic weight insulation
The parts such as son and busbar are installed, are dismantled, and installation and inspection of the operating personnel to common box bus slot are largely affected
Maintenance is repaiied, the working efficiency of operating personnel is reduced.
Invention content
In view of the above technical problems, the shortcomings that overcoming the prior art, it is total to provide a kind of highly resistance short-circuit capability high pressure to the present invention
Phase bus duct improves operating personnel's installation and repair and maintenance with that can carry out Fast Installation, dismounting to part therein
The advantages of working efficiency.
In order to solve the above technical problems, the present invention provides a kind of highly resistance short-circuit capability high pressure common phase bus duct, including box
The shell of shape, shell both ends open are arranged, and several support porcelain vases are fixed in shell and are connected to the connections on support porcelain vase top
Gold utensil is additionally provided with the fixing piece of the connector and the fixed support porcelain vase of installation for connecting support porcelain vase in shell；
Connector includes in the link block of rectangular shape setting, and link block is parallel to the opening of shell and in housing bottom surface one
Body is equipped with several, offers the link slot of strip on link block towards housing top surface side；Further include being arranged in strip
And the connection strap being adapted to link slot, several support porcelain vases are mutually parallel and are fixedly connected on connection strap, when installation, connects
Item is embedded in link slot；
Fixing piece includes the fixed plate for being arranged and being located at link block side perpendicular to link block, and fixed plate is set with support porcelain vase dislocation
Several are equipped with, installation is complete, and rear fixed plate is abutted with connection strap；Further include the motion bar for being parallel to link block, motion bar both ends
It penetrates housing sidewall and is slidably connected in housing sidewall, several fixed plates are vertically fixed on motion bar, housing sidewall
The upper position positioned at motion bar offers the sliding groove of rectangular corner setting.
Technique effect：When mounted, support porcelain vase is fixed on connection strap, and connection gold utensil is fixed on support porcelain vase top,
And connection strap is located in the link slot on link block, and be fixed by fixing piece.Operating personnel need to dismantle it
When maintenance, fixing piece can be opened, that is, pull motion bar, motion bar is made to be slid in sliding groove；Motion bar drives fixed plate
Activity makes fixed plate far from connection strap, at this time operating personnel can by connection strap with support porcelain vase and connection gold utensil together from
It is taken out in link slot, and takes out and safeguard from the opening of shell both sides.Such operating personnel need not be in installation and removal
It is operated, connection strap, connection gold utensil and support porcelain vase can integrally be mounted and dismounted, and to fixing piece in shell
Operation only need to carry out outside shell, largely facilitate operating personnel to the installation of common phase bus duct and maintenance tie up
Shield, greatly improves the working efficiency of operating personnel.
The technical solution that the present invention further limits is：
Further, support porcelain vase is bolted on connection strap, is supported and is equipped with by rubber material between porcelain vase and connection strap
Isolating pad made of material.
A kind of preceding highly resistance short-circuit capability high pressure common phase bus duct, support porcelain vase includes several end to end porcelain
Block, porcelain block are in inverted round table-like setting, are connected through a screw thread between porcelain block, connection gold utensil is fixed on the porcelain on support porcelain vase top
On block.
A kind of preceding highly resistance short-circuit capability high pressure common phase bus duct, the position that connection strap is abutted with fixed plate are equipped with convex
Circle, fixed plate are equipped with the holding tank being adapted to dome.
A kind of preceding highly resistance short-circuit capability high pressure common phase bus duct, the cross section of motion bar are square, sliding groove
Width it is identical as the length of side of motion bar cross section, be used for sliding of the support activities bar in sliding groove.
A kind of preceding highly resistance short-circuit capability high pressure common phase bus duct, motion bar are correspondingly connected with item and are equipped with several, if
One end that dry root motion bar is located at outside shell is fixed by interlocking lever.
A kind of preceding highly resistance short-circuit capability high pressure common phase bus duct offers the row being obliquely installed on link block side wall
Water hole, osculum are connected in link slot, several discharge outlet are offered in housing bottom surface.
A kind of preceding highly resistance short-circuit capability high pressure common phase bus duct, case top offer observation window, and observation regards
It is hinged with closed plate on window, block position is correspondingly connected in housing side and offers several manholes.
A kind of preceding highly resistance short-circuit capability high pressure common phase bus duct, the both sides that housing top surface is located at closed plate are equipped with pressure
Block is connected with pressing plate on briquetting, and pressing plate penetrates closed plate and fixed with briquetting.
A kind of preceding highly resistance short-circuit capability high pressure common phase bus duct, the rectangular corner setting of sliding groove, including it is parallel
Horizontal segment in horizontal plane and the vertical section perpendicular to horizontal plane, the length of vertical section are less than the length of horizontal segment, work as motion bar
When positioned at vertical section bottom, fixed plate is abutted with connection strap.
The beneficial effects of the invention are as follows：
（1）Busbar is connected due to being needed in connection gold utensil in the present invention, and in order to improve the service life and resistance to shorting of shell
Can, shell is typically made of aluminum, it is therefore desirable to nonconducting support porcelain vase connection shell and connection gold utensil；The setting energy of isolating pad
Safety is enough further increased, while ensureing to support connectivity robustness of the porcelain vase on connection strap；
（2）Porcelain vase is supported to be joined end to end by several pieces of porcelain blocks in the present invention, it can be direct when a connection gold utensil is damaged
The porcelain block on corresponding position is dismantled, and is replaced, the maintenance and replacement of operating personnel, while energy have so been further facilitated
Enough reduce its production cost.And porcelain block is arranged in inverted truncated conical shape, condensed water is generated on support porcelain vase or by the time of tide, water
It can directly be dripped downwards from its surface, avoid water from collecting and connection gold utensil and busbar are had an impact, to prevent it impaired；
（3）In the present invention after installation is complete, fixed plate is mutually abutted with connection strap, is arranged dome on connection strap, and with it is solid
Holding tank adaptation on fixed board can carry out more firm positioning, to avoid connection strap from falling out of holding tank to connection strap
It falls, improves the stability of integrated connection；
（4）Cross section in the present invention due to motion bar is square, and motion bar can slide in sliding groove, therefore in cunning
During dynamic, square cross section can avoid rotation of the motion bar in sliding process, improve motion bar and fixed plate exists
Stability in slipping；
（5）As soon as operating personnel move a motion bar in the present invention, several motion bars one can be driven to start shipment by interlocking lever
It is dynamic, it is conveniently operated operation of the personnel to motion bar, further promotes the working efficiency of operating personnel；
（6）Since common phase bus duct is set in circuit in the present invention, the feelings made moist or intake can be inevitably encountered in use
Condition, on link block side wall setting be connected to osculum in link slot, the ponding in link slot can be discharged, and from shell
Discharge outlet on bottom surface drains into outside shell, and ponding is avoided to happen；
（7）Observation window can be conveniently operated where personnel determine problem in repair and maintenance in the present invention, and be conveniently operated people
The dismounting of member, can be closed observation window by closed plate；Simultaneously manhole can compounding practice personnel, with facilitate determination ask
The position occurred is inscribed, the efficiency of maintenance is improved, reduces maintenance difficulty.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present embodiment；
Fig. 2 is the front view of the present embodiment；
Fig. 3 is the schematic diagram for showing dome in the present embodiment；
Wherein：1, shell；11, porcelain vase is supported；111, porcelain block；12, connection gold utensil；13, isolating pad；14, discharge outlet；15, it observes
Form；16, closed plate；161, pressing plate；162, briquetting；17, manhole；18, foot aluminium；2, connector；21, link block；22, it connects
Slot；23, connection strap；24, dome；25, osculum；3, fixing piece；31, fixed plate；32, motion bar；33, sliding groove；331, water
Flat section；332, vertical section；34, holding tank；35, interlocking lever.
Specific implementation mode
A kind of highly resistance short-circuit capability high pressure common phase bus duct provided in this embodiment, structure are as shown in Figs. 1-3.It includes shell
Body 1, the box-like setting that shell 1 is integrally square, the front and back opening of shell 1, intermediate connection.Observation is offered on the top surface of shell 1
Form 15,15 side of observation window are hinged with closed plate 16, and after installation is complete, closed plate 16 can be by 15 envelope of observation window
It closes.As shown in Fig. 2, the both sides that 1 top surface of shell is located at closed plate 16 are equipped with briquetting 162, it is connected with pressing plate 161 on briquetting 162, is pressed
Plate 161 penetrates closed plate 16 and is fixed with briquetting 162, can promote the sealing performance of closed plate 16.
It is fixed with several rows on the bottom surface of shell 1 and supports porcelain vase 11, three support porcelain vases 11 are a row, are mutually parallel and set
It sets.Often the top of the corresponding support porcelain vase 11 of row is fixed with the same connection gold utensil 12, and connection gold utensil 12 is connect with busbar.Support porcelain
Bottle 11 is connected to by connector 2 on shell 1, and is fixed by fixing piece 3.
Several manholes 17 are offered on the two sides of 1 adjacent apertures of shell, manhole 17 corresponds to support porcelain vase 11
Position is arranged, and 1 bottom surface of shell is equipped with the extraneous discharge outlet 14 of several connections, for discharging the ponding in common phase bus duct.
The angular position of 1 top and bottom of shell is further fixed on foot aluminium 18, on the one hand can improve the stability of shell 1, on the other hand
Also the service life and resistance to shorting performance of shell 1 can be improved.
Connector 2 includes several link blocks 21 for being parallel to the opening setting of shell 1, and whole link block 21 is in cuboid
Shape, every piece of link block 21 is set to 11 lower section of corresponding support porcelain vase, and is integrally disposed upon on 1 bottom surface of shell.The top of link block 21
Link slot 22,22 elongated shape of link slot are offered on face.
Connector 2 further includes the connection strap 23 of strip, and connection strap 23 is adapted to connection strap 23.It is solid on every connection strap 23
It is fixed that there are three the support porcelain vase 11 being mutually parallel, support porcelain vase 11 is bolted on connection strap 23, and connection strap 23 with
It is equipped with isolating pad 13 between support porcelain vase 11, isolating pad 13 is made of rubber material.Support porcelain vase 11 is connected by several porcelain blocks 111
It connects, porcelain block 111 is in that inverted truncated conical shape is arranged, and is connected two-by-two by screw thread between porcelain block 111, connection gold utensil 12 is solid
It is scheduled on the porcelain block 111 of support 11 top of porcelain vase.
Fixing piece 3 includes several fixed plates 31, and after installation is complete, fixed plate 31 is abutted with the top surface of connection strap 23.Even
Narrow bars 23 are equipped with several domes 24 between being located at support porcelain vase 11, and dome 24 corresponds to fixed plate 31 and is provided with several, fixed
Plate 31 is equipped with the holding tank 34 of arc, and holding tank 34 is adapted to dome 24.Fixing piece 3 further includes motion bar 32, connection strap 23
It is fixed on motion bar 32, motion bar 32 is parallel to the setting of connection strap 23, and both ends penetrate the side of shell 1, and are slidably connected
On shell 1.
The square setting in cross section of motion bar 32, shell 1 are equipped with sliding groove 33, and motion bar 32 is located at sliding groove 33
It is interior, and the length of side of 32 cross section of motion bar is identical as sliding groove 33, motion bar 32 being capable of the sliding in sliding groove 33.Sliding groove 33
Rectangular corner setting, including it is parallel to the horizontal segment 331 of horizontal plane and the vertical section 332 perpendicular to horizontal plane, vertical section 332
Length be less than horizontal segment 331 length, when motion bar 32 is located at 332 bottom of vertical section, fixed plate 31 is supported with connection strap 23
It connects.
The interlocking lever 35 being arranged perpendicular to motion bar 32 is additionally provided with outside shell 1, motion bar 32 is several equipped with being mutually parallel
Root, several motion bars 32 are fixed with interlocking lever 35.When operating personnel pull a motion bar 32 to slide, pass through interlocking lever
35 can drive all motion bars 32 to slide.Link block 21 is equipped with osculum 25, and osculum 25 is connected to link slot 22, and arranges
25 integral inclined setting of water hole, for the ponding in access slot to be discharged, and outwardly by 14 row of discharge outlet.
When operating personnel need to carry out it dismounting maintenance, fixing piece 3 can be opened, that is, pull motion bar 32, make work
The sliding in sliding groove 33 of lever 32；Motion bar 32 drives 31 activity of fixed plate, makes fixed plate 31 far from connection strap 23, grasps at this time
Make personnel connection strap 23 can be taken out out of link slot 22 together with support porcelain vase 11 and connection gold utensil 12, and from shell 1
It takes out and safeguards in the opening of both sides.
In addition to the implementation, the present invention can also have other embodiment.It is all to use equivalent substitution or equivalent transformation shape
At technical solution, fall within the scope of protection required by the present invention.
Claims (10)
1. a kind of highly resistance short-circuit capability high pressure common phase bus duct, including box-like shell（1）, the shell（1）Both ends open is set
It sets, the shell（1）Inside it is fixed with several support porcelain vases（11）Be connected to the support porcelain vase（11）The connection gold utensil on top
（12）, it is characterised in that：The shell（1）It is inside additionally provided with for connecting support porcelain vase（11）Connector（2）It is fixed with installation
Support porcelain vase（11）Fixing piece（3）；
The connector（2）It include the link block being arranged in rectangular shape（21）, the link block（21）It is parallel to the shell
Body（1）Opening and in the shell（1）Several are integrally formed on bottom surface, the link block（21）On towards the shell
（1）Top surface side offers the link slot of strip（22）；Further include in strip be arranged and with the link slot（22）Adaptation
Connection strap（23）, several described support porcelain vases（11）It is mutually parallel and is fixedly connected on the connection strap（23）On, installation
Shi Suoshu connection straps（23）It is embedded in the link slot（22）It is interior；
The fixing piece（3）Including perpendicular to the link block（21）It is arranged and is located at the link block（21）The fixed plate of side
（31）, the fixed plate（31）With the support porcelain vase（11）Several are shifted to install, the fixed plate after installation is complete
（31）With the connection strap（23）It abuts；Further include being parallel to the link block（21）Motion bar（32）, the motion bar
（32）Both ends penetrate the shell（1）Side wall is simultaneously slidably connected at the shell（1）On side wall, several fixed plates（31）
It is vertically fixed on the motion bar（32）On, the shell（1）It is located at the motion bar on side wall（32）Position offer
The sliding groove of rectangular corner setting（33）.
2. a kind of highly resistance short-circuit capability high pressure common phase bus duct according to claim 1, it is characterised in that：The support porcelain
Bottle（11）It is bolted on the connection strap（23）On, the support porcelain vase（11）With the connection strap（23）Between be equipped with
The isolating pad made of rubber material（13）.
3. a kind of highly resistance short-circuit capability high pressure common phase bus duct according to claim 2, it is characterised in that：The support porcelain
Bottle（11）Including several end to end porcelain blocks（111）, the porcelain block（111）In inverted round table-like setting, the porcelain block
（111）Between be connected through a screw thread, the connection gold utensil（12）It is fixed on the support porcelain vase（11）The porcelain block on top
（111）On.
4. a kind of highly resistance short-circuit capability high pressure common phase bus duct according to claim 1, it is characterised in that：The connection strap
（23）With the fixed plate（31）The position of abutting is equipped with dome（24）, the fixed plate（31）It is equipped with and the dome（24）
The holding tank of adaptation（34）.
5. a kind of highly resistance short-circuit capability high pressure common phase bus duct according to claim 4, it is characterised in that：The motion bar
（32）Cross section be square, the sliding groove（33）Width and the motion bar（32）The length of side of cross section is identical, uses
In the support motion bar（32）In the sliding groove（33）Interior sliding.
6. a kind of highly resistance short-circuit capability high pressure common phase bus duct according to claim 5, it is characterised in that：The motion bar
（32）The corresponding connection strap（23）Equipped with several, several motion bars（32）Positioned at the shell（1）Outer one end
Pass through the interlocking lever（35）It is fixed.
7. a kind of highly resistance short-circuit capability high pressure common phase bus duct according to claim 1, it is characterised in that：The link block
（21）The osculum being obliquely installed is offered on side wall（25）, the osculum（25）It is connected to the link slot（22）It is interior, institute
State shell（1）Several discharge outlet are offered on bottom surface（14）.
8. a kind of highly resistance short-circuit capability high pressure common phase bus duct according to claim 7, it is characterised in that：The shell
（1）Top offers observation window（15）, the observation window（15）On be hinged with closed plate（16）, the shell（1）Side
The upper correspondence link block（21）Position offers several manholes（17）.
9. a kind of highly resistance short-circuit capability high pressure common phase bus duct according to claim 8, it is characterised in that：The shell
（1）Top surface is located at the closed plate（16）Both sides be equipped with briquetting（162）, the briquetting（162）On be connected with pressing plate（161）,
The pressing plate（161）Penetrate the closed plate（16）With the briquetting（162）It is fixed.
10. a kind of highly resistance short-circuit capability high pressure common phase bus duct according to claim 5, it is characterised in that：The sliding
Slot（33）Rectangular corner setting, including it is parallel to the horizontal segment of horizontal plane（331）With the vertical section perpendicular to horizontal plane
（332）, the vertical section（332）Length be less than the horizontal segment（331）Length, when the motion bar（32）Positioned at described
Vertical section（332）When bottom, the fixed plate（31）With the connection strap（23）It abuts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810314293.9A CN108376960B (en) | 2018-04-10 | 2018-04-10 | High-voltage common-phase bus duct with high short-circuit resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810314293.9A CN108376960B (en) | 2018-04-10 | 2018-04-10 | High-voltage common-phase bus duct with high short-circuit resistance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108376960A true CN108376960A (en) | 2018-08-07 |
| CN108376960B CN108376960B (en) | 2020-02-07 |
Family
ID=63032004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810314293.9A Active CN108376960B (en) | 2018-04-10 | 2018-04-10 | High-voltage common-phase bus duct with high short-circuit resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108376960B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110212479A (en) * | 2019-06-13 | 2019-09-06 | 华翔翔能电气股份有限公司 | A kind of bus duct with folder function |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29800869U1 (en) * | 1998-01-20 | 1998-04-23 | Nvb Nachtrodt & Vom Brocke Gmb | Junction box with electrical devices |
| CN103515896A (en) * | 2012-06-20 | 2014-01-15 | 扬州蓝海电气有限公司 | High-voltage common-box bus |
| CN204271583U (en) * | 2014-11-19 | 2015-04-15 | 江苏博尔特电力科技有限公司 | GM is case enclosed busbar groove altogether |
| CN107749569A (en) * | 2017-09-28 | 2018-03-02 | 湖州电力设备成套有限公司 | A kind of switch cubicle for being easily installed long bus |
| CN207082803U (en) * | 2017-08-10 | 2018-03-09 | 洪灵坪 | A kind of special assistance platform of overhead type bus ceramic insulator |
-
2018
- 2018-04-10 CN CN201810314293.9A patent/CN108376960B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29800869U1 (en) * | 1998-01-20 | 1998-04-23 | Nvb Nachtrodt & Vom Brocke Gmb | Junction box with electrical devices |
| CN103515896A (en) * | 2012-06-20 | 2014-01-15 | 扬州蓝海电气有限公司 | High-voltage common-box bus |
| CN204271583U (en) * | 2014-11-19 | 2015-04-15 | 江苏博尔特电力科技有限公司 | GM is case enclosed busbar groove altogether |
| CN207082803U (en) * | 2017-08-10 | 2018-03-09 | 洪灵坪 | A kind of special assistance platform of overhead type bus ceramic insulator |
| CN107749569A (en) * | 2017-09-28 | 2018-03-02 | 湖州电力设备成套有限公司 | A kind of switch cubicle for being easily installed long bus |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110212479A (en) * | 2019-06-13 | 2019-09-06 | 华翔翔能电气股份有限公司 | A kind of bus duct with folder function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108376960B (en) | 2020-02-07 |
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