CN109599778A - A kind of box-type substation facilitating replacement transformer - Google Patents
A kind of box-type substation facilitating replacement transformer Download PDFInfo
- Publication number
- CN109599778A CN109599778A CN201910029138.7A CN201910029138A CN109599778A CN 109599778 A CN109599778 A CN 109599778A CN 201910029138 A CN201910029138 A CN 201910029138A CN 109599778 A CN109599778 A CN 109599778A
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- Prior art keywords
- transformer
- assembly
- low
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- box
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Classifications
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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
- H02B7/00—Enclosed substations, e.g. compact substations
- H02B7/06—Distribution substations, e.g. for urban network
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention discloses a kind of box-type substations for facilitating replacement transformer, including cabinet, further include the pedestal that the bottom of box is arranged in, further include the footstock that cabinet top is arranged in；Above-mentioned box house is divided into hyperbaric chamber, pressure change chamber, low-pressure chamber from left to right；High-tension switch cabinet is equipped in above-mentioned hyperbaric chamber；Low-tension switch cabinet is equipped in above-mentioned low-pressure chamber；Two symmetrically arranged guide rails are equipped in above-mentioned pressure change chamber, it is additionally provided with the locating piece positioned at two guide rail inner ends, it is additionally provided with transformer can move linearly along guide rail, dismountable, is additionally provided with for fastening and being allowed to complete the butt-joint locking device being electrically connected with high-tension switch cabinet and low-tension switch cabinet respectively for transformer lock.Design in this way to reduce the repair time of substation, ensures the normal use of electric power so that the replacement of transformer is more convenient.
Description
Technical field
The present invention relates to box-type substation technical field, in particular to a kind of box-type substation for facilitating replacement transformer.
Background technique
Box-type substation is called prepackage type electric substation or preassembled transformer station.It is a kind of high-tension switch gear, distribution transformer
Device and low-voltage distribution equipment, are lined up that integrated prefabrication is indoor, outdoor close-coupled controller switching equipment by certain connection plan, i.e., will
The functions such as transformer pressure-reducing, low-voltage distribution are organically combined, be mounted on one moisture-proof, antirust, dust-proof, protection against rodents, fire prevention,
Antitheft, heat-insulated, totally-enclosed, moveable steel-structure box is after civil engineering transformer station especially suitable for urban network construction and upgradation
The brand-new substation of one kind of emergence.Box-type substation is suitable for mine, factory and enterprise, oil gas field and wind power station, it is replaced
Become novel complete change power distribution equipment for original civil engineering power distribution room, power distribution station.
Box-type substation in the prior art includes cabinet, high-tension switch gear, low-voltage distribution apparatus, transformer；Wherein
Transformer is since volume is larger, heavier-weight, once transformer goes wrong, it is just very troublesome when needing replacing, it is not easy more
It changes, and time-consuming and laborious, to influence the conveying and use of electric power for a long time.
Summary of the invention
The object of the present invention is to provide a kind of transformers to replace convenient box-type substation.
The object of the present invention is achieved like this: a kind of box-type substation facilitating replacement transformer, including cabinet also wrap
The pedestal that the bottom of box is set is included, further includes the footstock that cabinet top is set；Above-mentioned box house successively divides from left to right
For hyperbaric chamber, pressure change chamber, low-pressure chamber；High-tension switch cabinet is equipped in above-mentioned hyperbaric chamber；Low-tension switch cabinet is equipped in above-mentioned low-pressure chamber.
It is equipped with two symmetrically arranged guide rails in above-mentioned pressure change chamber, is additionally provided with the locating piece positioned at two guide rail inner ends,
It is additionally provided with transformer can move linearly along guide rail, dismountable, is additionally provided with for being fastened transformer lock and being allowed to distinguish
The butt-joint locking device being electrically connected is completed with high-tension switch cabinet and low-tension switch cabinet.
Compared with prior art, the beneficial effects of the present invention are: the present invention by design of transformer at can be along guide rail straight line
It is mobile, and locating piece auxiliary positioning is set, so that transformer be facilitated to enter pressure change chamber, and realize quickly positioning；In addition, of the invention
It is also provided with butt-joint locking device, the quick connection and locking of transformer wiring terminal assembly is realized, also achieves transformer
It is locked；In conclusion the present invention finally realizes the easily changeable design of power transformation device, to reduce the repair time, guarantee electricity
The regular supply of power.
As a preferred solution of the present invention, above-mentioned transformer includes fuel tank, further includes being separately positioned on four end faces of fuel tank
On, symmetrically arranged heat dissipation grid, further include several idler wheels that tank bottoms are set, further include being arranged in fuel tank inner end
, be slidably matched with guide rail, guide pad for guiding transformer to move along guide rail, further include two that top of oil-tank is set
A terminals assembly；Above-mentioned terminals assembly is respectively high-voltage terminal assembly, low voltage terminal assembly；The one of above-mentioned transformer
To being respectively equipped with a locking seat on heat dissipation grid；Above-mentioned locking seat is equipped with locking groove；It is set on the outboard end of above-mentioned fuel tank
There is handle；When transformer lock fastens, above-mentioned guide pad is acted against on locating piece.
As a preferred solution of the present invention, above-mentioned butt-joint locking device includes for connecing with what terminals assembly was electrically connected
Line seat assembly, further include matched simultaneously with wiring seat assembly and terminals assembly, for making terminals assembly and junction block
The firm retaining mechanism of assembly butt-joint locking further includes for driving wiring seat assembly and retaining mechanism or more and relative movement
Driving device；The two sides of above-mentioned transformer are respectively equipped with a pair of of wiring seat assembly and retaining mechanism, and the wiring seat assembly and lock
The relative motion of tight mechanism；Two above-mentioned wiring seat assemblies are electrically connected with corresponding high-tension switch cabinet or low-tension switch cabinet respectively.
As a preferred solution of the present invention, above-mentioned driving device include four it is being vertically arranged, be located at pressure change chamber
Four corners, the screw rod that can be mounted on horizontally rotating on pedestal and footstock, further include the drive plate that screw rod upper end is arranged in,
It further include the driving motor of two transmission connections that be separately positioned on two antisymmetric screw rod upper ends and co-axial；It is adjacent
Two above-mentioned screw rods between pass through drive plate be sequentially connected；Above-mentioned wiring seat assembly includes being arranged on two ipsilateral screw rods
And the lower slider that can move up and down along it, further include be arranged in it is on lower slider, for the terminal phase on terminals assembly
The junction block of cooperation further includes the pilot hole being arranged between adjacent wiring seat；Above-mentioned retaining mechanism include be arranged in it is ipsilateral
Upper saddle that is on two screw rods and can moving up and down along it further includes two pieces of guide plates being symmetrically disposed on upper saddle,
Further include be arranged in it is on upper saddle, for after docking terminals assembly and the swelling that is locked of wiring seat assembly
Mechanism；Above-mentioned butt-joint locking device further includes that two symmetrically arranged, both ends are respectively and fixedly installed to lock on two upper saddles
Only bar；When transformer lock fastens, above-mentioned locking rod is matched with corresponding locking groove respectively.
As a preferred solution of the present invention, above-mentioned expansion mechanism includes being vertically situated on upper saddle, position and leading
To the corresponding guide post in hole, further includes that can slide up and down to the upper sliding sleeve and low sleeve being arranged on guide post, further include two groups pairs
Claim the swelling unit of setting；Above-mentioned swelling unit includes first connecting rod, second connecting rod, third connecting rod, fourth link and distensible plate；
One end of above-mentioned first connecting rod is hinged on guide post root, and the other end is hinged with second connecting rod, the other end of above-mentioned second connecting rod
It is hinged on upper sliding sleeve；One end of above-mentioned third connecting rod is hinged on upper sliding sleeve, and the other end is hinged with fourth link, and above-mentioned
The other end of double leval jib is hinged on low sleeve；Above-mentioned distensible plate in first connecting rod, second connecting rod hinged place and its be hinged,
Simultaneously also in third connecting rod, fourth link hinged place and its be hinged.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the cross-sectional view of the line A-A along Fig. 1.
Fig. 3 is the partial enlargement diagram in Fig. 2 at C.
Fig. 4 is the structural schematic diagram of retaining mechanism of the present invention.
Fig. 5 is the structural schematic diagram of wiring seat assembly of the present invention.
Fig. 6 is the cross-sectional view of the line B-B along Fig. 1.
Fig. 7 is the main view of transformer of the present invention.
Wherein, 1 cabinet, 101 hyperbaric chambers, 101a high-tension switch cabinet, 102 pressure change chambers, 103 low-pressure chambers, 103a low tension switch
Cabinet, 2 pedestals, 3 footstocks, 4 guide rails, 5 locating pieces, 6 transformers, 601 fuel tanks, 602 heat dissipation grids, 602a locking seat, 602b locking
Groove, 603 idler wheels, 604 guide pads, 605 high-voltage terminal assemblies, 606 low voltage terminal assemblies, 607 handles, 7 junction blocks are total
At, 701 lower sliders, 702 junction blocks, 703 pilot holes, 8 retaining mechanisms, 801 upper saddles, 802 guide plates, 803 expansion mechanisms,
803a guide post, 803b upper sliding sleeve, 803c low sleeve, 803d first connecting rod, 803e second connecting rod, 803f third connecting rod, 803g
Double leval jib, 803h distensible plate, 9 check lock levers, 10 screw rods, 11 drive plates, 12 driving motors.
Specific embodiment
As shown in figs. 1-7, a kind of box-type substation facilitating replacement transformer, including cabinet 1 further include being arranged in cabinet
The pedestal 2 of 1 bottom further includes the footstock 3 that 1 top of cabinet is arranged in；It is divided into hyperbaric chamber from left to right inside above-mentioned cabinet 1
101, pressure change chamber 102, low-pressure chamber 103；High-tension switch cabinet 101a is equipped in above-mentioned hyperbaric chamber 101；It is equipped in above-mentioned low-pressure chamber 103
Low-tension switch cabinet 103a；Two symmetrically arranged guide rails 4 are equipped in above-mentioned pressure change chamber 102, are additionally provided with positioned at two 4 insides of guide rail
The locating piece 5 at end is additionally provided with transformer 6 can move linearly along guide rail 4, dismountable, is additionally provided with for locking transformer 6
It fixes and is allowed to complete the butt-joint locking device being electrically connected with high-tension switch cabinet 101a and low-tension switch cabinet 103a respectively.
Above-mentioned transformer 6 includes fuel tank 601, further includes being separately positioned on 601 4 end faces of fuel tank, symmetrically arranged
Heat dissipation grid 602 further includes several idler wheels 603 that 601 bottom of fuel tank is arranged in, further include be arranged in 601 inner end of fuel tank,
Guide pad 604 being slidably matched with guide rail 4, for guiding transformer 6 to move along guide rail 4 further includes that setting is pushed up in fuel tank 601
Two terminals assemblies in portion；Above-mentioned terminals assembly is respectively high-voltage terminal assembly 605, low voltage terminal assembly 606；On
It states and is respectively equipped with a locking seat 602a on a pair of of heat dissipation grid 602 of transformer 6；It is recessed that above-mentioned locking seat 602a is equipped with locking
Slot 602b；The outboard end of above-mentioned fuel tank 601 is equipped with handle 607；When transformer 6 is locked, above-mentioned guide pad 604 is abutted against
On locating piece 5.
Above-mentioned butt-joint locking device includes the wiring seat assembly 7 for being electrically connected with terminals assembly, further includes simultaneously
It is being matched with wiring seat assembly 7 and terminals assembly, for make terminals assembly and 7 butt-joint locking of wiring seat assembly it is firm
Retaining mechanism 8 further includes the driving device for driving wiring seat assembly 7 and about 8 retaining mechanism and relative movement；Above-mentioned change
The two sides of depressor 6 are respectively equipped with a pair of of wiring seat assembly 7 and retaining mechanism 8, and the wiring seat assembly 7 and retaining mechanism 8 are opposite
Movement；Two above-mentioned wiring seat assemblies 7 are electrically connected with corresponding high-tension switch cabinet 101a or low-tension switch cabinet 103a respectively.
Above-mentioned driving device include four four corners being vertically arranged, being located at pressure change chamber 102, horizontal can turn
The screw rod 10 being mounted on pedestal 2 and footstock 3 dynamicly further includes the drive plate 11 that 10 upper end of screw rod is arranged in, further includes two
Be separately positioned on two antisymmetric 10 upper ends of screw rod and co-axial transmission connection driving motor 12；Adjacent two
It is sequentially connected between above-mentioned screw rod 10 by drive plate 11；Above-mentioned wiring seat assembly 7 includes that two ipsilateral screw rods 10 are arranged in
On and the lower slider 701 that can move up and down along it, further include be arranged in it is on lower slider 701, be used for and terminals assembly
The junction block 702 that matches of terminal, further include the pilot hole 703 being arranged between adjacent wiring seat 702；Above-mentioned retaining mechanism
8 include that upper saddle 801 that is on two ipsilateral screw rods 10 and can moving up and down along it is arranged in, and further includes being symmetrically arranged
Two pieces of guide plates 703 on upper saddle 801, further include be arranged in it is on upper saddle 801, for total to the terminals after docking
At and the expansion mechanism 803 that is locked of wiring seat assembly 7；Above-mentioned butt-joint locking device further includes two and is symmetrical arranged
, both ends be respectively and fixedly installed to the locking rod 9 on two upper saddles 801；When transformer 6 is locked, above-mentioned locking rod 9
It is matched respectively with corresponding locking groove 602b.
Above-mentioned expansion mechanism 803 is corresponding with pilot hole 703 including being vertically situated on upper saddle 801, position
Guide post 803a further includes that can slide up and down to the upper sliding sleeve 803b and low sleeve 803c being arranged on guide post 803a, further includes two
The symmetrically arranged swelling unit of group；Above-mentioned swelling unit include first connecting rod 803d, second connecting rod 803e, third connecting rod 803f,
Fourth link 803g and distensible plate 803h；One end of above-mentioned first connecting rod 803d is hinged on the root guide post 803a, the other end and
Two connecting rod 803e are hinged, and the other end of above-mentioned second connecting rod 803e is hinged on upper sliding sleeve 803b；Above-mentioned third connecting rod 803f
One end be hinged on upper sliding sleeve 803b, the other end is hinged with fourth link 803g, the other end of above-mentioned fourth link 803g
It is hinged on low sleeve 803c；Above-mentioned distensible plate 803h is mutually cut with scissors in the hinged place of first connecting rod 803d, second connecting rod 803e with it
Connect, at the same also in third connecting rod 803f, fourth link 803g hinged place and its be hinged.
When replacement, it is first turned off substation's power supply；Then start driving motor 12, screw rod 10 rotates with it, retaining mechanism 8
It is moved away from therewith with wiring seat assembly 7, one moves up, and one moves down, and gradually unclamps terminals assembly and transformation
Device 6 moves transformer 6；Then directly transformer 6 is removed along guide rail 4；Then again by spare transformer 6 along leading
Rail 4 is sent into pressure change chamber 102, until the guide pad 604 of transformer 6 abuts against on locating piece 5；Finally restart motor 12, so that
Retaining mechanism 8 and wiring seat assembly 7 move towards, until wiring seat assembly 7, retaining mechanism 8 are matched with terminals assembly, it is complete
At electric connection, locking rod 9 is also matched with locking groove 602b at the same time, completes being locked for transformer 6；At this time
Complete the replacement of transformer 6.
The present invention is not limited to the above embodiments, on the basis of technical solution disclosed by the invention, the skill of this field
For art personnel according to disclosed technology contents, one can be made to some of which technical characteristic by not needing creative labor
A little replacements and deformation, these replacements and deformation are within the scope of the invention.
Claims (5)
1. a kind of box-type substation for facilitating replacement transformer, it is characterised in that: the box-type substation includes cabinet (1), is also wrapped
Setting is included in the pedestal (2) of cabinet (1) bottom, further includes footstock (3) of the setting on cabinet (1) top；The cabinet (1) is internal
It is divided into hyperbaric chamber (101), pressure change chamber (102), low-pressure chamber (103) from left to right；High pressure is equipped in the hyperbaric chamber (101)
Switchgear (101a)；Low-tension switch cabinet (103a) is equipped in the low-pressure chamber (103)；
It is equipped with two symmetrically arranged guide rails (4) in the pressure change chamber (102), is additionally provided with positioned at two guide rail (4) inner ends
Locating piece (5), be additionally provided with can move linearly along guide rail (4), dismountable transformer (6), be additionally provided with for by transformer (6)
It is locked and is allowed to complete the butt-joint locking being electrically connected with high-tension switch cabinet (101a) and low-tension switch cabinet (103a) respectively
Device.
2. a kind of box-type substation for facilitating replacement transformer according to claim 1, it is characterised in that: the transformer
(6) include fuel tank (601), further include heat dissipation grid be separately positioned on (601) four end faces of fuel tank, symmetrically arranged
(602), further include setting fuel tank (601) bottom several idler wheels (603), further include setting fuel tank (601) inner end,
Guide pad (604) being slidably matched with guide rail (4), for guiding transformer (6) mobile along guide rail (4), further includes that setting exists
Two terminals assemblies at the top of fuel tank (601)；The terminals assembly is respectively that high-voltage terminal assembly (605), low pressure connect
Line end assembly (606)；A locking seat (602a) is respectively equipped on a pair of of heat dissipation grid (602) of the transformer (6)；It is described
Locking seat (602a) is equipped with locking groove (602b)；The outboard end of the fuel tank (601) is equipped with handle (607)；
When transformer (6) is locked, the guide pad (604) is acted against on locating piece (5).
3. a kind of box-type substation for facilitating replacement transformer according to claim 2, it is characterised in that: the docking lock
Tight device includes the wiring seat assembly (7) for being electrically connected with terminals assembly, further include simultaneously with wiring seat assembly (7) and
It is that terminals assembly matches, for making terminals assembly and the firm retaining mechanism (8) of wiring seat assembly (7) butt-joint locking,
It further include the driving device for driving wiring seat assembly (7) and retaining mechanism (8) up and down and relatively moving；The transformer
(6) two sides are respectively equipped with a pair of of wiring seat assembly (7) and retaining mechanism (8), and the wiring seat assembly (7) and retaining mechanism
(8) relative motion；Two wiring seat assemblies (7) respectively with corresponding high-tension switch cabinet (101a) or low-tension switch cabinet
(103a) is electrically connected.
4. a kind of box-type substation for facilitating replacement transformer according to claim 3, it is characterised in that: the driving dress
Set four corners being vertically arranged including four, being located at pressure change chamber (102), pedestal can be mounted on horizontally rotating
(2) screw rod (10) and on footstock (3) further includes drive plate (11) of the setting in screw rod (10) upper end, further includes two difference
The driving motor (12) of two antisymmetric screw rod (10) upper ends and co-axial transmission connection is set；Adjacent two
It is sequentially connected between the screw rod (10) by drive plate (11)；
The wiring seat assembly (7) includes that downslide that is on two ipsilateral screw rods (10) and can moving up and down along it is arranged in
Seat (701) further includes junction block be arranged on lower slider (701), for matching with the terminal on terminals assembly
It (702), further include the pilot hole (703) being arranged between adjacent wiring seat (702)；
The retaining mechanism (8) includes that upper saddle that is on two ipsilateral screw rods (10) and can moving up and down along it is arranged in
(801), further include two pieces of guide plates (703) being symmetrically disposed on upper saddle (801), further include being arranged in upper saddle
(801) on, for the terminals assembly and the expansion mechanism (803) that is locked of wiring seat assembly (7) after docking；
The butt-joint locking device further includes that two symmetrically arranged, both ends are respectively and fixedly installed on two upper saddles (801)
Locking rod (9)；When transformer (6) is locked, the locking rod (9) matches with corresponding locking groove (602b) respectively
It closes.
5. a kind of box-type substation for facilitating replacement transformer according to claim 4, it is characterised in that: the swelling machine
Structure (803) includes being vertically situated on upper saddle (801), position guide post (803a) corresponding with pilot hole (703), also
It further include two groups symmetrical including the upper sliding sleeve (803b) and low sleeve (803c) that are arranged on guide post (803a) can be slided up and down to
The swelling unit of setting；
The swelling unit includes first connecting rod (803d), second connecting rod (803e), third connecting rod (803f), fourth link
(803g) and distensible plate (803h)；One end of the first connecting rod (803d) is hinged on the root guide post (803a), the other end and
Two connecting rods (803e) are hinged, and the other end of the second connecting rod (803e) is hinged on upper sliding sleeve (803b)；The third connects
One end of bar (803f) is hinged on upper sliding sleeve (803b), and the other end is hinged with fourth link (803g), the fourth link
The other end of (803g) is hinged on low sleeve (803c)；The distensible plate (803h) is in first connecting rod (803d), second connecting rod
The hinged place of (803e) is hinged with it, while also in third connecting rod (803f), hinged place and its phase of fourth link (803g)
Hingedly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910029138.7A CN109599778B (en) | 2019-01-12 | 2019-01-12 | Box-type substation convenient for replacing transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910029138.7A CN109599778B (en) | 2019-01-12 | 2019-01-12 | Box-type substation convenient for replacing transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109599778A true CN109599778A (en) | 2019-04-09 |
| CN109599778B CN109599778B (en) | 2021-05-11 |
Family
ID=65966060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910029138.7A Active CN109599778B (en) | 2019-01-12 | 2019-01-12 | Box-type substation convenient for replacing transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109599778B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110544571A (en) * | 2019-08-28 | 2019-12-06 | 刘爽 | Voltage ware waterproof construction convenient to dismouting just has fire-retardant function |
| CN111856167A (en) * | 2019-04-19 | 2020-10-30 | 宁波奥克斯高科技有限公司 | Detection method of box-type transformer and transformer |
| CN111856166A (en) * | 2019-04-19 | 2020-10-30 | 宁波奥克斯高科技有限公司 | Detection method of box-type transformer and transformer |
| CN111952877A (en) * | 2020-08-11 | 2020-11-17 | 国家电网有限公司 | A mounting tool and prepackage type transformer substation for installing maintain transformer |
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| CN207651305U (en) * | 2018-04-27 | 2018-07-24 | 江西成功电气有限公司 | A kind of oil-immersed transformer structure |
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| US5239278A (en) * | 1991-12-09 | 1993-08-24 | Basler Electric Company | Transformer and mounting bracket assembly |
| JPH07297039A (en) * | 1994-04-26 | 1995-11-10 | Hitachi Ltd | Stationary induction apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111856167A (en) * | 2019-04-19 | 2020-10-30 | 宁波奥克斯高科技有限公司 | Detection method of box-type transformer and transformer |
| CN111856166A (en) * | 2019-04-19 | 2020-10-30 | 宁波奥克斯高科技有限公司 | Detection method of box-type transformer and transformer |
| CN111856167B (en) * | 2019-04-19 | 2023-06-27 | 宁波奥克斯智能科技股份有限公司 | Detection method of box-type transformer and transformer |
| CN110544571A (en) * | 2019-08-28 | 2019-12-06 | 刘爽 | Voltage ware waterproof construction convenient to dismouting just has fire-retardant function |
| CN111952877A (en) * | 2020-08-11 | 2020-11-17 | 国家电网有限公司 | A mounting tool and prepackage type transformer substation for installing maintain transformer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109599778B (en) | 2021-05-11 |
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Denomination of invention: Box type substation convenient for replacing transformer Effective date of registration: 20211027 Granted publication date: 20210511 Pledgee: Bank of China Limited Hangjiang Branch, Yangzhou Pledgor: YANGZHOU LIV TRANSFORMER Co.,Ltd. Registration number: Y2021980011415 |
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Address after: 225000 Taida Road, Yangzhou Environmental Protection Technology Industrial Park, Hanjiang District, Yangzhou City, Jiangsu Province Patentee after: Jiangsu Liwei electric (Group) Co.,Ltd. Address before: 225000 Taida Road, Yangzhou Environmental Protection Technology Industrial Park, Hanjiang District, Yangzhou City, Jiangsu Province Patentee before: YANGZHOU LIV TRANSFORMER Co.,Ltd. |
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