CN112151234A - Prepackage type box transformer - Google Patents
Prepackage type box transformer Download PDFInfo
- Publication number
- CN112151234A CN112151234A CN202010946940.5A CN202010946940A CN112151234A CN 112151234 A CN112151234 A CN 112151234A CN 202010946940 A CN202010946940 A CN 202010946940A CN 112151234 A CN112151234 A CN 112151234A
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- fixedly connected
- chassis
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- frame
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/002—Arrangements provided on the transformer facilitating its transport
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Patch Boards (AREA)
Abstract
The invention discloses a preassembled box type transformer which comprises a chassis, wherein the bottom of the chassis is fixedly connected with symmetrically distributed movable clamping plates, and the top of the chassis is movably connected with symmetrically distributed limiting clamps. This box transformer of prepackage type, spacing card through the top swing joint symmetric distribution on the chassis, and the fixed plate at the inboard fixed connection symmetric distribution of spacing card, and set up the rectangle notch of symmetric distribution in the inside of spacing card, utilize the inside notch of spacing card and detain the mutual adaptation of post, simultaneously in the bottom fixed connection on chassis to the movable cardboard that distributes, can guarantee the device at the in-process that uses, the device can be dismantled at any time, installation and transportation, and then solved current device and need pour the cement base in addition on the road and install box transformer, lead to the problem that box transformer is difficult to dismantle.
Description
Technical Field
The invention belongs to the technical field of power engineering, and particularly relates to a pre-installed box type transformer.
Background
With the omnibearing coverage of electric power in modern society, more and more devices need to operate by using electric power, particularly in construction sites, electric power emergency in schools and the like, so that people need a pre-installed box type transformer in the work of engineering construction and the life of electric power emergency.
There are many types of box transformer on the market at present, but most box transformer is in the in-process that uses, box transformer often need fixed placing to wave fixed connection on the base of cement stone platform, this type of device is very inconvenient to the maintenance in the future and the driving of road vehicle, this type of device is at the in-process of operation simultaneously, the electric field that box transformer produced can adsorb the dust in the air and gather on the surface of transformer, can lead to the transformer to break down for a long time, current device is operated in humid environment in addition, the inside difficult aqueous vapor of discharging of box, often can lead to the transformer can not normal operating, we have proposed a prepackage type box transformer for this reason.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a preassembled box type transformer, which solves the problems in the background technology.
In order to achieve the purpose, the invention is realized by the following technical scheme: a preassembled box type transformer comprises a chassis, wherein the bottom of the chassis is fixedly connected with symmetrically distributed movable clamping plates, the top of the chassis is movably connected with symmetrically distributed limiting clamps, the inner sides of the limiting clamps are fixedly connected with fixing plates which are oppositely distributed, the insides of the limiting clamps are provided with symmetrically distributed rectangular notches, the rectangular notches inside the limiting clamps are movably connected with buckling columns, the outsides of the buckling columns are movably connected with bottom piles, the top of the limiting clamps is movably connected with a net plate, the insides of the net plate are provided with hole grooves, the hole grooves inside the net plate are fixedly connected with dust fall sheets which are uniformly distributed, the top of the fixing plate is movably connected with a filter plate, the inside of the filter plate is provided with slotted holes, the slotted holes inside the filter plate are fixedly connected with filter strips which are densely arranged, the top of the limiting clamps is movably connected with an outer frame, and the outside of the outer, and the shrinkage pool swing joint in the frame outside has the sealing door of symmetric distribution, the hole groove of symmetric distribution is seted up to the outside of frame, and the outside hole groove fixedly connected with symmetric distribution's of frame ventilating board, the central point at frame top puts the circular recess of seting up symmetric distribution, and the circular recess fixedly connected with symmetric distribution's of frame top central point puts the blast pipe, one side fixedly connected with power connection box at frame top, the top fixedly connected with top cap of ventilating board, the inside fixedly connected with exhaust column of top cap, the inside fixedly connected with filter screen of exhaust column, the inner chamber fixedly connected with driving motor of exhaust column.
Further, the chassis is made of stainless steel metal, the inside of the chassis is solid, rectangular notches which are symmetrically distributed are formed in the bottom of the chassis, and the rectangular notches in the bottom of the chassis are matched with the bottoms of the movable clamping plates.
Furthermore, the appearance of spacing card is L shape, the hole has been seted up to the inboard of spacing card, and the girth of the inboard hole of spacing card equals with the girth at the both ends of fixed plate, the dog-ear handle has been seted up in the outside of fixed plate, and the dog-ear handle in the fixed plate outside is the character cut in bas-relief.
Furthermore, the outside of the fixed plate is provided with a threaded groove hole, the threaded groove hole on the outer side of the fixed plate is in threaded connection with a fixed nut, the outside of the buckling column is provided with symmetrically distributed threaded holes, and the threaded holes on the outside of the buckling column are movably connected with symmetrically distributed nuts.
Further, the inside slotted hole of seting up of filter plate is the right angle slotted hole, the inside hole groove of seting up of otter board is the oblique angle hole groove, the intensive mesh of evenly distributed is seted up to the outside of filter strip and dust fall piece, the inside fixedly connected with filter layer of filter strip and dust fall piece.
Further, evenly distributed's hole is seted up to the outside of ventilating board, the cavity recess has been seted up to the inside of frame, the bottom of blast pipe passes and extends to the inner chamber of frame.
Furthermore, a curved groove hole is formed in the top cover, a circular notch is formed in the outer side of the top cover, and the exhaust pipe is fixedly connected to the circular notch in the outer side of the top cover.
Further, the top fixed connection of blast pipe is in the bottom of exhaust column, driving motor's bottom is passed and is extended to the bottom of exhaust column, driving motor's outside fixedly connected with wire, and the other end fixed connection of wire is in the outside of power connection box.
Has the advantages that:
1. this box transformer of prepackage type, spacing card through the top swing joint symmetric distribution on the chassis, and the fixed plate at the inboard fixed connection symmetric distribution of spacing card, and set up the rectangle notch of symmetric distribution in the inside of spacing card, utilize the inside notch of spacing card and detain the mutual adaptation of post, simultaneously in the bottom fixed connection on chassis to the movable cardboard that distributes, can guarantee the device at the in-process that uses, the device can be dismantled at any time, installation and transportation, and then solved current device and need pour the cement base in addition on the road and install box transformer, lead to the problem that box transformer is difficult to dismantle.
2. This box transformer of prepackage type, through the filter plate at the top swing joint symmetric distribution of spacing card, and the otter board that distributes relatively at the top swing joint of fixed plate, and set up the rectangle notch on the surface of filter plate and otter board, utilize the rectangle notch on filter plate and otter board surface and filter strip and the mutual adaptation of dust fall piece, utilize the outside of filter strip and dust fall piece to set up evenly distributed's mesh, and filter strip and the inside fixed connection's of dust fall piece filter layer, can guarantee the device inside transformer when the operation, dust fall that dust in the air can be timely is in the inside of filter strip and dust fall piece, and then solved current device and can not be with the dust warning problem of handling in the air.
3. This box transformer of prepackage type, circular hole through seting up the symmetric distribution at the top of frame to the relative blast pipe that distributes of fixed connection in the circular hole at frame top, simultaneously at the top fixed connection exhaust column of blast pipe, and at the inboard fixed connection filter screen and the driving motor of exhaust column, can guarantee the device in humid environment, driving motor's operation can be with the inside moisture of device quick discharge, and then greatly reduced the impaired probability of the inside transformer of device.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic bottom view of the pre-assembled box-type transformer of the present invention;
FIG. 3 is a schematic view of a partial structure of the pre-assembled box type transformer of the present invention;
FIG. 4 is a schematic diagram of a partially dispersed structure of a pre-assembled box-type transformer according to the present invention;
FIG. 5 is a schematic diagram of a distributed structure of the pre-assembled box-type transformer according to the present invention;
fig. 6 is a schematic diagram of the internal structure of the pre-assembled box-type transformer according to the present invention.
In the figure: 1. a chassis; 2. a movable clamping plate; 3. a limiting card; 4. a fixing plate; 5. buckling a column; 6. bottom piles; 7. filtering the plate; 8. filtering the strips; 9. a screen plate; 10. dust settling sheets; 11. an outer frame; 12. a sealing door; 13. a ventilation board; 14. a top cover; 15. an exhaust pipe; 16. an exhaust pipe; 17. a filter screen; 18. a drive motor; 19. and a power supply connection box.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 to 6, the present invention provides a technical solution: a preassembled box type transformer comprises a chassis 1, wherein the bottom of the chassis 1 is fixedly connected with movable clamping plates 2 which are symmetrically distributed, the chassis 1 is made of stainless steel metal, the inside of the chassis 1 is solid, the bottom of the chassis 1 is provided with rectangular notches which are symmetrically distributed, the rectangular notches at the bottom of the chassis 1 are matched with the bottom of the movable clamping plates 2, the chassis 1 is made of solid stainless steel metal, the rectangular notches are arranged in the chassis 1, so that the chassis 1 can keep an outer frame 11 stable, meanwhile, the subsequent movement of an operator to the device is facilitated, the top of the chassis 1 is movably connected with limiting cards 3 which are symmetrically distributed, the inner sides of the limiting cards 3 are fixedly connected with fixing plates 4 which are oppositely distributed, the appearance of the limiting cards 3 is L-shaped, the inner sides of the limiting cards 3 are provided with holes, and the circumferences of the holes at the inner sides of the limiting cards 3 are equal to the circumferences of the two ends of the, the outer side of the fixing plate 4 is provided with a bevel handle, the outer side bevel handle of the fixing plate 4 is in a concave shape, the inner part of the limiting clamp 3 is provided with symmetrically distributed rectangular notches, the symmetrically distributed rectangular notches are arranged in the limiting clamp 3, the symmetrically distributed fixing plate 4 is fixedly connected to the inner side of the limiting clamp 3, meanwhile, the limiting clamp 3 is arranged in an L shape, the outer side of the fixing plate 4 is provided with a concave handle, the limiting clamp 3 and the fixing plate 4 can be ensured to stably clamp the outer frame 11 on the top of the chassis 1, the rectangular notch in the limiting clamp 3 is movably connected with a buckling column 5, the outer part of the fixing plate 4 is provided with a threaded groove hole, the threaded groove hole in the outer side of the fixing plate 4 is in threaded connection with a fixing nut, the outer part of the buckling column 5 is provided with symmetrically distributed threaded holes, and the threaded hole in the outer part of the, the outer part of the buckling column 5 is movably connected with a bottom pile 6, fixing nuts are connected with the outer threads of the buckling column 5 and the bottom pile 6, and threaded holes which are symmetrically distributed are arranged on the outer side of the chassis 1, the threaded column at one end of the fixing nut on the outer part of the buckling column 5 is matched with the threaded holes on the outer side of the chassis 1, so that the whole device can be kept stable in the moving process, meanwhile, an operator can conveniently and quickly regulate and control the device, the top of the limiting clamp 3 is movably connected with a screen plate 9, hole grooves are arranged in the screen plate 9, the hole grooves in the screen plate 9 are fixedly connected with dust fall sheets 10 which are uniformly distributed, slotted holes arranged in the filter plate 7 are right-angle slotted holes, the hole grooves arranged in the screen plate 9 are oblique-angle hole grooves, dust fall dense mesh holes which are uniformly distributed are arranged on the outer parts of the filter strips 8 and the dust fall sheets 10, and the filter layers are fixedly, the top of the fixed plate 4 is movably connected with a filter plate 7, the inside of the filter plate 7 is provided with slotted holes, the slotted holes inside the filter plate 7 are fixedly connected with filter strips 8 which are densely arranged, the filter plate 7 and the screen plate 9 are internally provided with right-angle slotted holes and oblique-angle slotted holes, and the inside of the filter plate 7 and the screen plate 9 is fixedly connected with the filter strips 8 and dust falling sheets 10 which are uniformly distributed, so that dust in the outside air can be effectively reduced by the filter strips 8 and the dust falling sheets 10 in the operation process of the device, the dust falling of a transformer inside the device is greatly reduced, the top of the limiting card 3 is movably connected with an outer frame 11, the outside of the outer frame 11 is provided with symmetrically distributed rectangular concave holes, the concave holes outside the outer frame 11 are movably connected with symmetrically distributed sealing doors 12, the outside of the outer frame 11 is provided with symmetrically distributed hole slots, and the hole slots outside the outer frame 11 are fixedly connected with, the central position of the top of the outer frame 11 is provided with symmetrically distributed circular grooves, the circular grooves at the central position of the top of the outer frame 11 are fixedly connected with symmetrically distributed exhaust pipes 16, the outer part of the ventilation plates 13 is provided with uniformly distributed holes, the symmetrically distributed ventilation plates 13 are fixedly connected with the sides of the outer frame 11, circulating airflow formed inside the outer frame 11 is utilized, and further the temperature of a transformer inside the device can be reduced, and simultaneously, moisture inside the device can be quickly discharged, the inner part of the outer frame 11 is provided with hollow grooves, the bottom end of the exhaust pipe 16 penetrates through and extends to the inner cavity of the outer frame 11, one side of the top of the outer frame 11 is fixedly connected with a power supply connecting box 19, the top of the ventilation plates 13 is fixedly connected with a top cover 14, the inner part of the top cover 14 is fixedly connected with an exhaust pipe 15, the inner, and the outer fixed connection of exhaust column 15 is in the circular notch in the top cap 14 outside, through running through the inner chamber to frame 11 with the one end of top cap 14, and with the top fixed connection of top cap 14 in the bottom of exhaust column 15, can guarantee that the device inside can form good circulating air, the cooling ability of transformer has been improved greatly, the inside fixedly connected with filter screen 17 of exhaust column 15, the inner chamber fixedly connected with driving motor 18 of exhaust column 15, the top fixed connection of blast pipe 16 is in the bottom of exhaust column 15, the bottom of driving motor 18 is passed and is extended to the bottom of exhaust column 15, driving motor 18's outside fixedly connected with wire, and the other end fixed connection of wire is in the outside of power connecting box 19.
In conclusion, this prepackage type box transformer, during the use, operating personnel need with spacing card 3 and fixed plate 4 buckle in the bottom of the frame 11 of installing, then operating personnel need twine the outside at fixed plate 4 with the rope of loop wheel machine, then with spacing card 3 buckle in the outside of detaining post 5, then adjust the height of detaining post 5 and foundation pile 6 for activity cardboard 2 can the free rotation, then operating personnel need use the inside rectangle notch of rope fixed chassis 1, just then can transport the device to the transformer area, then start and operate the inside driving motor 18 of top cap 14, finally inspect whether filter plate 7 and otter board 9 are complete, so can.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The utility model provides a box transformer of prepackage type, includes chassis (1), its characterized in that: the dust-settling plate is fixedly connected to the bottom of the chassis (1), symmetrically distributed movable clamping plates (2, and the slotted hole fixedly connected with of the inside filter plate (7) is densely arranged and strains the strip (8), the top swing joint of spacing card (3) has frame (11), the rectangle shrinkage pool of symmetric distribution is seted up in the outside of frame (11), and the shrinkage pool swing joint in the frame (11) outside has sealing door (12) of symmetric distribution, the hole groove of symmetric distribution is seted up to the outside of frame (11), and the hole groove fixedly connected with ventilation board (13) of symmetric distribution of frame (11) outside, the central point at frame (11) top puts and sets up the circular recess of symmetric distribution, and the circular recess fixedly connected with symmetrical distribution's blast pipe (16) of frame (11) top central point position, one side fixedly connected with power supply connection box (19) at frame (11) top, the top fixedly connected with top cap (14) of ventilation board (13), the inside fixedly connected with exhaust column (15) of top cap (14), the inside fixedly connected with filter screen (17) of exhaust column (15), the inner chamber fixedly connected with driving motor (18) of exhaust column (15).
2. The pre-assembled box transformer of claim 1, wherein: the chassis (1) is made of stainless steel metal, the inside of the chassis (1) is solid, rectangular notches which are symmetrically distributed are formed in the bottom of the chassis (1), and the rectangular notches in the bottom of the chassis (1) are matched with the bottom of the movable clamping plate (2) mutually.
3. The pre-assembled box transformer of claim 1, wherein: the appearance of spacing card (3) is L shape, the hole has been seted up to the inboard of spacing card (3), and the girth of the inboard hole of spacing card (3) equals with the girth at the both ends of fixed plate (4), the dog-ear handle has been seted up in the outside of fixed plate (4), and fixed plate (4) outside dog-ear handle is the character cut in bas-relief shape.
4. The pre-assembled box transformer of claim 1, wherein: the thread groove hole is formed in the outer portion of the fixing plate (4), the thread groove hole in the outer side of the fixing plate (4) is in threaded connection with a fixing nut, the thread holes which are symmetrically distributed are formed in the outer portion of the buckling column (5), and the thread holes in the outer portion of the buckling column (5) are movably connected with the nuts which are symmetrically distributed.
5. The pre-assembled box transformer of claim 1, wherein: the dust-settling filter is characterized in that a slotted hole formed in the filter plate (7) is a right-angle slotted hole, a hole groove formed in the screen plate (9) is an oblique-angle hole groove, dense mesh holes which are uniformly distributed are formed in the outer portions of the filter strips (8) and the dust-settling pieces (10), and filter layers are fixedly connected to the inner portions of the filter strips (8) and the dust-settling pieces (10).
6. The pre-assembled box transformer of claim 1, wherein: the ventilation plate is characterized in that holes which are uniformly distributed are formed in the outer portion of the ventilation plate (13), a hollow groove is formed in the outer frame (11), and the bottom end of the exhaust pipe (16) penetrates through and extends to the inner cavity of the outer frame (11).
7. The pre-assembled box transformer of claim 1, wherein: the inside of top cap (14) is seted up curved surface slotted hole, circular notch is seted up in the outside of top cap (14), and the outer fixed connection of exhaust column (15) is in the circular notch in top cap (14) outside.
8. The pre-assembled box transformer of claim 6, wherein: the top fixed connection of blast pipe (16) is in the bottom of exhaust column (15), the bottom of driving motor (18) is passed and is extended to the bottom of exhaust column (15), the outside fixedly connected with wire of driving motor (18), and the other end fixed connection of wire is in the outside of power connection box (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010946940.5A CN112151234B (en) | 2020-09-10 | 2020-09-10 | Prepackage type box transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010946940.5A CN112151234B (en) | 2020-09-10 | 2020-09-10 | Prepackage type box transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112151234A true CN112151234A (en) | 2020-12-29 |
| CN112151234B CN112151234B (en) | 2021-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010946940.5A Active CN112151234B (en) | 2020-09-10 | 2020-09-10 | Prepackage type box transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112151234B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103106997A (en) * | 2012-11-14 | 2013-05-15 | 苏州爱知电机有限公司 | Box-type transformer |
| CN204402296U (en) * | 2014-12-12 | 2015-06-17 | 上海置信电气非晶有限公司 | A kind of blinds apparatus of box type transformer casing |
| CN107689291A (en) * | 2017-10-09 | 2018-02-13 | 江苏大浪电气集团有限公司 | A kind of auxiliary mounting deck when facilitating the transformer to install |
| CN107834401A (en) * | 2017-11-30 | 2018-03-23 | 孙培丽 | A kind of support base of power distribution cabinet in smart city |
| CN207677317U (en) * | 2018-01-22 | 2018-07-31 | 宜昌昌耀电力成套设备有限公司 | Convenient for the box-type substation structure of maintenance |
| CN108574201A (en) * | 2018-06-25 | 2018-09-25 | 许昌市长江高压计量设备有限公司 | A kind of box type transformer having dustproof and waterproof function |
| CN208632014U (en) * | 2018-07-02 | 2019-03-22 | 利辛县祥腾信息科技有限公司 | Lifting device is used in a kind of maintenance of new-energy automobile |
| CN109793352A (en) * | 2018-12-26 | 2019-05-24 | 绍兴蒂尔莱特科技有限公司 | A kind of high thrust lifting column structure and its installation method |
| CN209312522U (en) * | 2019-01-10 | 2019-08-27 | 湖北金力特电气有限公司 | A kind of box phase shifting transformer of large capacity prepackage |
| CN209675049U (en) * | 2019-06-10 | 2019-11-22 | 深圳市飞翔达电子有限公司 | A kind of outdoor water-proof type power transformer |
| CN210326621U (en) * | 2019-08-27 | 2020-04-14 | 河南善信电力工程有限公司 | Power equipment installation device |
-
2020
- 2020-09-10 CN CN202010946940.5A patent/CN112151234B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103106997A (en) * | 2012-11-14 | 2013-05-15 | 苏州爱知电机有限公司 | Box-type transformer |
| CN204402296U (en) * | 2014-12-12 | 2015-06-17 | 上海置信电气非晶有限公司 | A kind of blinds apparatus of box type transformer casing |
| CN107689291A (en) * | 2017-10-09 | 2018-02-13 | 江苏大浪电气集团有限公司 | A kind of auxiliary mounting deck when facilitating the transformer to install |
| CN107834401A (en) * | 2017-11-30 | 2018-03-23 | 孙培丽 | A kind of support base of power distribution cabinet in smart city |
| CN207677317U (en) * | 2018-01-22 | 2018-07-31 | 宜昌昌耀电力成套设备有限公司 | Convenient for the box-type substation structure of maintenance |
| CN108574201A (en) * | 2018-06-25 | 2018-09-25 | 许昌市长江高压计量设备有限公司 | A kind of box type transformer having dustproof and waterproof function |
| CN208632014U (en) * | 2018-07-02 | 2019-03-22 | 利辛县祥腾信息科技有限公司 | Lifting device is used in a kind of maintenance of new-energy automobile |
| CN109793352A (en) * | 2018-12-26 | 2019-05-24 | 绍兴蒂尔莱特科技有限公司 | A kind of high thrust lifting column structure and its installation method |
| CN209312522U (en) * | 2019-01-10 | 2019-08-27 | 湖北金力特电气有限公司 | A kind of box phase shifting transformer of large capacity prepackage |
| CN209675049U (en) * | 2019-06-10 | 2019-11-22 | 深圳市飞翔达电子有限公司 | A kind of outdoor water-proof type power transformer |
| CN210326621U (en) * | 2019-08-27 | 2020-04-14 | 河南善信电力工程有限公司 | Power equipment installation device |
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| CN112151234B (en) | 2021-08-06 |
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