CN107768084A - A kind of transformer shock mount in smart city - Google Patents
A kind of transformer shock mount in smart city Download PDFInfo
- Publication number
- CN107768084A CN107768084A CN201711240701.2A CN201711240701A CN107768084A CN 107768084 A CN107768084 A CN 107768084A CN 201711240701 A CN201711240701 A CN 201711240701A CN 107768084 A CN107768084 A CN 107768084A
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- CN
- China
- Prior art keywords
- fixedly connected
- transformer
- bearing
- plate
- pressing plate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
-
- 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
- H01F27/33—Arrangements for noise damping
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses the transformer shock mount in a kind of smart city,It is by bearing,Base,Movable pulley,Damping pressing plate,Supporting plate and damper composition,The upper end of the base is fixedly connected bearing,The bearing is the open body structure in upper end,The bearing bottom is provided with damper,The damper is by rebound,Sleeve,Support column,What compression spring and fixed plate formed,The upper end of the rebound is fixedly connected supporting plate,Damping pressing plate is equipped with described four tank walls of bearing,The damping pressing plate is by regulation block,Connecting rod,Pressing plate and spring composition,The regulation block is fixedly connected connecting rod,The connecting rod is fixedly connected pressing plate,And surrounding is provided with spring,The lower end of the base is provided with movable pulley,The movable pulley is by connecting plate,Rotating shaft,What connection backplate and roller formed,The bearing reduces the injury to transformer in moving process,Also eliminate transformer simultaneously and shake at work and generate noise.
Description
Technical field
The present invention relates to electric power facility field, the transformer shock mount in specially a kind of smart city
Background technology
Between two or more coil, a kind of voltage and current of grade is turned using electromagnetic induction principle for transformer
Change the voltage and current of another grade of same frequency into, and transmit electric energy；With the growth of economy, the utilization of transformer is also got over
Come it is more extensive, because the position of transformer station is increasingly closer to residential block, the problem of transformer anti-vibration noise reducing also mouth benefit by people
Attention；The anti-vibration noise reducing function of existing most of transformers is poor, and transformer at work, can cause very big because of vibrations
Noise, this greatly affected the normal life work and rest of people, harm caused to the health of people.
The content of the invention
It is an object of the invention to provide the transformer shock mount in a kind of smart city, to solve above-mentioned background technology
The problem of middle proposition.
To achieve the above object, the present invention provides following technical scheme：A kind of transformer shock mount in smart city,
It is made up of bearing, base, movable pulley, damping pressing plate, supporting plate and damper, the upper end of the base is fixedly connected bearing,
The bearing is the open body structure in upper end, and the bearing bottom is provided with damper, and the damper is by rebound, set
What cylinder, support column, compression spring and fixed plate formed, the lower end of the fixed plate is fixedly connected with bearing, upper end and support column
It is fixedly connected, the outside of the support column is provided with compression spring, and upper end is connected to sleeve, and the upper end of the sleeve is fixedly connected
Rebound, the upper end of the rebound are fixedly connected supporting plate, and the supporting plate upper end is provided with the contiguous block for being used for connecting transformer,
Heat emission hole is provided between the contiguous block, is equipped with damping pressing plate on described four tank walls of bearing, the damping pressing plate is by adjusting
Block, connecting rod, pressing plate and spring composition are saved, the regulation block is fixedly connected connecting rod, and the connecting rod is fixedly connected
Pressing plate, and surrounding is provided with spring, the lower end of the base is provided with movable pulley, and the movable pulley is by connecting plate, rotating shaft, connection
What backplate and roller formed, lower end and the rotating shaft upper end of the connecting plate are rotatablely connected, the lower end of the rotating shaft and the connection
Backplate is fixedly connected, and roller is provided with the connection backplate.
Preferably, the fixed plate be upper surface for square rectangular parallelepiped structure, upper surface side ratio support column it is straight
The big 2-3cm in footpath, the support column are slidably connected with sleeve, are fixedly connected on the lower surface of the sleeve in the compression spring
End, the lower end of the compression spring is fixedly connected the fixed plate, and is slidably connected with the support column, the rebound
The area of upper surface is the 1/4 of supporting plate lower surface area.
Preferably, four corners of the bearing inner chamber are provided with setting strip, and coordinate with four corners of supporting plate.
Preferably, the regulation block is located at the outside of bearing, and the connecting rod is slidably connected with the seating wall, described
One end of spring is fixedly connected by gasket ring with bearing, and the other end is fixedly connected with the pressing plate.
Preferably, the upper end of the connecting plate is fixedly connected with base, and lower end is provided with chamber, is provided with and turns in the chamber
Axle, the upper end of the rotating shaft are provided with switch block, the switch block in connecting plate chamber, be shaped as it is cylindric, described in its diameter ratio
The big 2-3mm of shaft diameter, the connection backplate is U-shape structure, and upper end is fixedly connected with rotating shaft, and inside is provided with bearing, passes through axle
Hold and be rotatablely connected with roller.
Compared with prior art, the beneficial effects of the invention are as follows：
1. the transformer shock mount, damper are made up of rebound, sleeve, support column, compression spring and fixed plate
, the lower end of fixed plate is fixedly connected with bearing, and upper end is fixedly connected with support column, and the outside of support column is provided with compression spring,
Upper end is connected to sleeve, and the upper end of sleeve is fixedly connected rebound, by the buffering of compression spring, reduces in moving process
In injury to transformer, while also eliminate transformer and shake at work and generate noise.
2. the transformer shock mount, supporting plate upper end is provided with the contiguous block for being used for connecting transformer, can consolidate transformer
Due to supporting plate, prevent transformer from being slided in casing, heat emission hole is provided between contiguous block, be advantageous to distribute transformer worked
Caused heat in journey, be advantageous to the cooling of transformer.
3. the transformer shock mount, four corners of bearing inner chamber are provided with setting strip, and with four corners of supporting plate
Coordinate, it is ensured that supporting plate slides up and down in bearing, prevents lateral deviation phenomenon, makes equipment more stable, plays damping work
With.
4. the transformer shock mount, damping pressing plate is equipped with 1 four tank walls of bearing, damping pressing plate is kept off by regulation
Block, connecting rod, pressing plate and spring composition, regulation block are fixedly connected connecting rod, and connecting rod is fixedly connected pressing plate, and surrounding
Provided with spring, by damping pressing plate, damper is fixed in bearing, inertia when simultaneous buffering rocks, protects supporting plate,
Transformer is protected, also reduces noise.
5. the transformer shock mount, movable pulley is made up of connecting plate, rotating shaft, connection backplate and roller, connecting plate
Lower end and rotating shaft upper end be rotatablely connected, the lower end of rotating shaft is fixedly connected with the connection backplate, and connection backplate is interior to be provided with roller,
Transformer ratio is heavier, the setting of movable pulley, facilitates the movement of equipment, alleviates the work of staff.
Brief description of the drawings
Accompanying drawing 1 is overall structure diagram of the present invention；
Accompanying drawing 2 is overlooking the structure diagram of the present invention；
Accompanying drawing 3 cuts open structural representation for the present invention is perpendicular；
Accompanying drawing 4 is damping pressure plate structure schematic diagram of the present invention；
Accompanying drawing 5 is movable pulley structural representation of the present invention；
In figure, 1- bearings；101- setting strips；102- gasket rings；2- bases；3- movable pulleys；301- connecting plates；302- rotating shafts；
303- connection backplates；304- rollers；305- bearings；4- damping pressing plates；401- adjusts block；402- connecting rods；403- pressing plates；
404- springs；5- supporting plates；501- contiguous blocks；502- heat emission holes；6- dampers；601- rebounds；602- sleeves；603- is supported
Post；604- compression springs；605- fixed plates.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Refer to shown in Fig. 1-5, the transformer shock mount in a kind of smart city of the present embodiment, be by bearing 1, bottom
Seat 2, movable pulley 3, damping pressing plate 4, supporting plate 5 and damper 6 form, and the upper end of the base 2 is fixedly connected bearing 1, described
Bearing 1 is the open body structure in upper end, and the bottom of bearing 1 is provided with damper 6, the damper 6 be by rebound 601,
What sleeve 602, support column 603, compression spring 604 and fixed plate 605 formed, lower end and the bearing 1 of the fixed plate 605 are fixed
Connection, upper end are fixedly connected with support column 603, and the outside of the support column 603 is provided with compression spring 604, and upper end is connected to cover
Cylinder 602, the upper end of the sleeve 602 is fixedly connected rebound 601, and the upper end of the rebound 601 is fixedly connected supporting plate
5, the upper end of supporting plate 5 is provided with the contiguous block 501 for being used for connecting transformer, and heat emission hole 502 is provided between the contiguous block 501,
Damping pressing plate 4 is equipped with described 1 four tank walls of bearing, the damping pressing plate 4 is by regulation block 401, connecting rod 402, pressure
Plate 403 and spring 404 form, and the regulation block 401 is fixedly connected connecting rod 402, and the connecting rod 402 is fixedly connected
Pressing plate 403, and surrounding is provided with spring 404, the lower end of the base 2 is provided with movable pulley 3, and the movable pulley 3 is by connecting plate
301st, rotating shaft 302, connection backplate 303 and roller 304 are formed, and the lower end of the connecting plate 301 rotates with the upper end of rotating shaft 302 to be connected
Connect, the lower end of the rotating shaft 302 is fixedly connected with the connection backplate 303, and roller 304 is provided with the connection backplate 303.
In the present embodiment, the fixed plate 605 be upper surface for square rectangular parallelepiped structure, upper surface side ratio branch
The big 2-3cm of diameter of dagger 603, the support column 603 are slidably connected with sleeve 602, fixed on the lower surface of the sleeve 602
Be connected to the upper end of compression spring 604, the lower end of the compression spring 604 is fixedly connected the fixed plate 605, and with institute
State support column 603 to be slidably connected, the area of the upper surface of the rebound 601 is the 1/4 of the lower surface area of supporting plate 5.
In the present embodiment, four corners of the inner chamber of bearing 1 are provided with setting strip 101, and with four sides of supporting plate 5
Angle coordinates.
In the present embodiment, the regulation block 401 is located at the outside of bearing 1, the connecting rod 402 and the bearing 1
Wall is slidably connected, and one end of the spring 404 is fixedly connected by gasket ring 102 with bearing 1, and the other end is fixed with pressing plate 403 to be connected
Connect.
In the present embodiment, the upper end of the connecting plate 301 is fixedly connected with base 2, and lower end is provided with chamber, the chamber
Interior to be provided with rotating shaft 302, the upper end of the rotating shaft 302 is provided with switch block, and the switch block is shaped as justifying in the chamber of connecting plate 301
Column, its diameter are bigger 2-3mm than the diameter of rotating shaft 302, and the connection backplate 303 is U-shape structure, and upper end is solid with rotating shaft 302
Fixed connection, inside are provided with bearing 305, are rotatablely connected by bearing 305 and roller 304.
Operation principle：Transformer is fixed on the contiguous block 501 on supporting plate 5, transformation is then fixed by damping pressing plate 4
Device surrounding.1. the transformer shock mount, damper 6 is by rebound 601, sleeve 602, support column 603, compression spring
604 and fixed plate 605 form, the lower end of fixed plate 605 is fixedly connected with bearing 1, and upper end is fixedly connected with support column 603,
The outside of support column 603 is provided with compression spring 604, and upper end is connected to sleeve 602, and the upper end of sleeve 602 is fixedly connected transition
Plate 601, by the buffering of compression spring 604, reduce the injury to transformer in moving process, while also eliminate transformation
Device shakes at work generates noise.The transformer shock mount, the upper end of supporting plate 5 are provided with the contiguous block for being used for connecting transformer
501, transformer can be fixed on to supporting plate 501, prevent transformer from being slided in casing, heat emission hole is provided between contiguous block 501
502, be advantageous to distribute transformer caused heat in the course of the work, be advantageous to the cooling of transformer.The transformer subtracts
Bearing is shaken, four corners of the inner chamber of bearing 1 are provided with setting strip 101, and coordinate with four corners of supporting plate 5, it is ensured that support
Plate 5 slides up and down in bearing 1, prevents lateral deviation phenomenon, makes equipment more stable, plays cushioning effect.The transformer subtracts
Bearing is shaken, is equipped with damping pressing plate 4 on 1 four tank walls of bearing, damping pressing plate 4 is by regulation block 401, connecting rod 402, pressing plate
403 and spring 404 form, regulation block 401 be fixedly connected connecting rod 402, connecting rod 402 is fixedly connected pressing plate 403, and
Around be provided with spring 404, by damping pressing plate 4, damper is fixed in bearing 1, inertia when simultaneous buffering rocks, guarantor
Supporting plate 5 has been protected, has protected transformer, has also reduced noise.The transformer shock mount, movable pulley 3 are by connecting plate 301, turned
What axle 302, connection backplate 303 and roller 304 formed, lower end and the upper end of rotating shaft 302 of connecting plate 301 are rotatablely connected, rotating shaft 302
Lower end with it is described connection backplate 303 be fixedly connected, connection backplate 303 in is provided with roller 304, transformer ratio is heavier, move
The setting of wheel 3, facilitates the movement of equipment, alleviates the work of staff.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the involved claim of limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (6)
1. the transformer shock mount in a kind of smart city, it is by bearing (1), base (2), movable pulley (3), damping pressing plate
(4), supporting plate (5) and damper (6) composition, it is characterised in that：The upper end of the base (2) is fixedly connected bearing (1), described
Bearing (1) is the open body structure in upper end, and bearing (1) bottom is provided with damper (6), and the damper (6) is by mistake
What cab apron (601), sleeve (602), support column (603), compression spring (604) and fixed plate (605) formed, the fixed plate
(605) lower end is fixedly connected with bearing (1), and upper end is fixedly connected with support column (603), the outside of the support column (603)
Provided with compression spring (604), upper end is connected to sleeve (602), and the upper end of the sleeve (602) is fixedly connected rebound
(601), the upper end of the rebound (601) is fixedly connected supporting plate (5), and supporting plate (5) upper end, which is provided with, to be used to connect transformation
The contiguous block (501) of device, heat emission hole (502) is provided between the contiguous block (501), is all provided with described (1) four tank wall of bearing
There is damping pressing plate (4), the damping pressing plate (4) is by regulation block (401), connecting rod (402), pressing plate (403) and spring
(404) form, the regulation block (401) is fixedly connected connecting rod (402), and the connecting rod (402) is fixedly connected pressure
Plate (403), and surrounding is provided with spring (404), the lower end of the base (2) are provided with movable pulley (3), the movable pulley (3) be by
Connecting plate (301), rotating shaft (302), connection backplate (303) and roller (304) composition, the lower end of the connecting plate (301) and
Rotating shaft (302) upper end is rotatablely connected, and the lower end of the rotating shaft (302) is fixedly connected with the connection backplate (303), the connection
Roller (304) is provided with backplate (303).
2. the transformer shock mount in a kind of smart city according to claim 1, it is characterised in that：The fixed plate
(605) be upper surface for square rectangular parallelepiped structure, the big 2-3cm of diameter of upper surface side ratio support column (603), the branch
Dagger (603) is slidably connected with sleeve (602), and the compression spring is fixedly connected on the lower surface of the sleeve (602)
(604) upper end, the lower end of the compression spring (604) are fixedly connected the fixed plate (605), and with the support column
(603) it is slidably connected, the area of the upper surface of the rebound (601) is the 1/4 of the supporting plate (5) lower surface area.
3. the transformer shock mount in a kind of smart city according to claim 1, it is characterised in that：The bearing
(1) four corners of inner chamber are provided with setting strip (101), and coordinate with four corners of supporting plate (5).
A kind of 4. transformer shock mount in smart city according to claim 1-3, it is characterised in that：The regulation
Block (401) is located at the outside of bearing (1), and the connecting rod (402) is slidably connected with the bearing (1) wall, the spring
(404) one end is fixedly connected by gasket ring (102) with bearing (1), and the other end is fixedly connected with pressing plate (403).
A kind of 5. transformer shock mount in smart city according to claim 1-4, it is characterised in that：The connection
The upper end of plate (301) is fixedly connected with base (2), and lower end is provided with chamber, and rotating shaft (302), the rotating shaft are provided with the chamber
(302) upper end is provided with switch block, and the switch block is shaped as cylindric, described turn of its diameter ratio in connecting plate (301) chamber
Axle (302) big 2-3mm of diameter, the connection backplate (303) is U-shape structure, and upper end is fixedly connected with rotating shaft (302), and inside is set
There is bearing (305), be rotatablely connected by bearing (305) and roller (304).
A kind of 6. transformer shock-dampening method, it is characterised in that：Transformer is fixed on the contiguous block 501 on supporting plate 5, Ran Houtong
The stationary transformer surrounding of over-subtraction jolt-squeeze plate 4.1. the transformer shock mount, damper 6 is by rebound 601, sleeve
602nd, support column 603, compression spring 604 and fixed plate 605 are formed, and the lower end of fixed plate 605 is fixedly connected with bearing 1, on
End is fixedly connected with support column 603, and the outside of support column 603 is provided with compression spring 604, and upper end is connected to sleeve 602, sleeve
602 upper end is fixedly connected rebound 601, by the buffering of compression spring 604, reduces in moving process to transformer
Injury, while also eliminate transformer and shake at work and generate noise.The transformer shock mount, the upper end of supporting plate 5 are set
There is the contiguous block 501 for connecting transformer, transformer can be fixed on to supporting plate 501, prevent transformer from being slided in casing,
Heat emission hole 502 is provided between contiguous block 501, is advantageous to distribute transformer caused heat in the course of the work, is advantageous to transformation
The cooling of device.The transformer shock mount, four corners of the inner chamber of bearing 1 are provided with setting strip 101, and with supporting plate 5
Four corners coordinate, it is ensured that and supporting plate 5 slides up and down in bearing 1, prevents lateral deviation phenomenon, makes equipment more stable,
Play cushioning effect.The transformer shock mount, damping pressing plate 4 is equipped with 1 four tank walls of bearing, damping pressing plate 4 is by adjusting
Section block 401, connecting rod 402, pressing plate 403 and spring 404 form, and regulation block 401 is fixedly connected connecting rod 402, connects
Bar 402 is fixedly connected pressing plate 403, and surrounding is provided with spring 404, and by damping pressing plate 4, damper is fixed in bearing 1,
Inertia when simultaneous buffering rocks, protects supporting plate 5, protects transformer, also reduce noise.The transformer damping branch
Seat, movable pulley 3 by connecting plate 301, rotating shaft 302, connection backplate 303 and roller 304 form, the lower end of connecting plate 301 with
The upper end of rotating shaft 302 is rotatablely connected, and the lower end of rotating shaft 302 is fixedly connected with the connection backplate 303, is connected and is provided with backplate 303
Roller 304, transformer ratio is heavier, the setting of movable pulley 3, facilitates the movement of equipment, alleviates the work of staff.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711240701.2A CN107768084A (en) | 2017-11-30 | 2017-11-30 | A kind of transformer shock mount in smart city |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711240701.2A CN107768084A (en) | 2017-11-30 | 2017-11-30 | A kind of transformer shock mount in smart city |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107768084A true CN107768084A (en) | 2018-03-06 |
Family
ID=61275685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711240701.2A Pending CN107768084A (en) | 2017-11-30 | 2017-11-30 | A kind of transformer shock mount in smart city |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107768084A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757019A (en) * | 2018-05-29 | 2018-11-06 | 吴远 | Mining device by bus under a kind of inclined shaft coal mine miner |
| CN109249115A (en) * | 2018-11-27 | 2019-01-22 | 米阅军 | A kind of construction damping condenser discharge welder |
| CN109411188A (en) * | 2018-12-24 | 2019-03-01 | 江西伊发电力科技股份有限公司 | A kind of transformer protecting crust |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205609321U (en) * | 2016-05-02 | 2016-09-28 | 任仲钦 | Novel transformer damping bearing |
| CN206657695U (en) * | 2017-04-01 | 2017-11-21 | 惠州龙兴电力设备有限公司 | A kind of good transformer mounting bracket of resiliency |
-
2017
- 2017-11-30 CN CN201711240701.2A patent/CN107768084A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205609321U (en) * | 2016-05-02 | 2016-09-28 | 任仲钦 | Novel transformer damping bearing |
| CN206657695U (en) * | 2017-04-01 | 2017-11-21 | 惠州龙兴电力设备有限公司 | A kind of good transformer mounting bracket of resiliency |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757019A (en) * | 2018-05-29 | 2018-11-06 | 吴远 | Mining device by bus under a kind of inclined shaft coal mine miner |
| CN109249115A (en) * | 2018-11-27 | 2019-01-22 | 米阅军 | A kind of construction damping condenser discharge welder |
| CN109411188A (en) * | 2018-12-24 | 2019-03-01 | 江西伊发电力科技股份有限公司 | A kind of transformer protecting crust |
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Application publication date: 20180306 |
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