CN105810417A - Transformer cushion block and combination structure thereof - Google Patents
Transformer cushion block and combination structure thereof Download PDFInfo
- Publication number
- CN105810417A CN105810417A CN201610346005.9A CN201610346005A CN105810417A CN 105810417 A CN105810417 A CN 105810417A CN 201610346005 A CN201610346005 A CN 201610346005A CN 105810417 A CN105810417 A CN 105810417A
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- China
- Prior art keywords
- cushion block
- chute
- stator
- transformer
- spacer
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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
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
- H01F27/306—Fastening or mounting coils or windings on core, casing or other support
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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
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/324—Insulation between coil and core, between different winding sections, around the coil; Other insulation structures
- H01F27/325—Coil bobbins
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Coils Or Transformers For Communication (AREA)
Abstract
The invention provides a transformer cushion block and a combination structure thereof. The transformer cushion block comprises a cushion block body and a positioning mechanism, wherein sliding grooves are formed below the cushion block body; the sliding grooves comprise a first sliding groove and a second sliding groove; the midpoints of the first sliding groove and the second sliding groove are overlapped and are perpendicular to each other; the first sliding groove and the second sliding groove have the equal widths and lengths; the centers of the sliding grooves are overlapped with the center of the cushion block body; the positioning mechanism is glidingly arranged in the sliding grooves; in addition, the combination structure of the transformer cushion block comprises two transformer cushion blocks of the same dimensions, including an upper cushion block and a lower cushion block; the upper cushion block is fixedly arranged above a coil while the lower cushion block is fixedly arranged below the coil; and one end of an insulating cylinder is connected with a positioning block of the upper cushion block while the other end of the insulating cylinder is connected with a positioning block of the lower cushion block. According to the transformer cushion block and the combination structure thereof, the cross-shaped sliding grooves are provided additionally, so that the transformer cushion block can be suitable for transformers of different capacities; in addition, the cushion block can bear pressure at different parts, so that the inventory and cost consumption of transformer dies are greatly lowered, and the cost is saved.
Description
Technical field
The present invention relates to transformer technology field, particularly relate to a kind of transformer cushion block and combinative structure thereof.
Background technology
In the manufacture process of high-power transformer, transformator axial compression is very crucial to the effect resisting short circuit axial magnetic mechanical force, the conventional nut that bears down on one of traditional compression mode positions, coil is supported again with a rectangular dielectric block, but reliability is poor, and need when installing with nut and the rectangular dielectric block combined effect of bearing down on one, operate more complicated, there is different axial compression modes in additionally different transformer production producers, the transformator of different capabilities, the kind of cross-over block also has difference, thus need a variety of mould, and mould can not be general, add cost and also have impact on the production cycle.
As application number is: the Chinese patent of 201520689345.2 discloses a kind of dry-type transformer cross-over block, including using the integrated collets main body of insulant, the top of described collets main body is provided with upper groove and bottom is provided with low groove；It is provided with metal derby in described upper groove；The Access Division that can be inserted into insulating cylinder it is provided with in described low groove；The side of described collets main body is provided with boss, and the end face of described boss is lower than the end face of described collets main body.Described boss is the isosceles trapezoidal structure tapered into away from one end of collets main body.Described collets main body is all symmetrical along the same line with upper groove, low groove and boss.The base area of described low groove is more than the base area of described upper groove.The centre of described Access Division has the groove for coil location.The bottom of described Access Division is the trapezium structure tapered into.That application discloses a kind of collets main body, only change the body shape of collets main body, for increasing the accuracy of location, and be only applicable to the transformator of specified vol, can not being applicable to the transformator that various capacity coil sizes are different, the scope of application compares limitation.
And for example application number is: 201520462383.4 disclose a kind of combined pad structure on novel dry transformer, including the high-tension coil being oppositely arranged and low-voltage coil, it is bonded in one and the hard briquetting placed up and down successively and cushion block and the insulating cylinder between described high-tension coil and low-voltage coil, also include the insulating cylinder keeper of insulating cylinder described in location and installation, this insulating cylinder keeper includes one can the fastener insulating cylinder keeper body that is placed between described high-tension coil and low-voltage coil gap and be arranged at the draw-in groove of this insulating cylinder keeper body bottom, wherein said insulating cylinder is fastened in this draw-in groove.Also including a pad, wherein this pad is positioned on described hard briquetting top in the groove offered.Described insulating cylinder keeper body includes a card-tight part being square and extends the rake of contraction along these card-tight part both sides obliquely.This invention insulating cylinder keeper can along with the change of high-tension coil and the radial size of low-voltage coil, and due to integrally-built restriction, the length of change is less, is additionally only limited to the change of radial size, and applicable cushion block and mould are more single.
Summary of the invention
For overcoming the function singleness of the cross-over block existed in prior art, the transformator of different capabilities needs different cushion block, the problem that cushion block is poor for applicability, the invention provides a kind of transformer cushion block and combinative structure thereof.
The concrete technical scheme of the present invention is:
The invention provides a kind of transformer cushion block, including cushion block body and detent mechanism, described cushion block body be arranged below chute, described chute includes the first chute and the second chute, the midpoint of described first chute and the second chute overlaps and orthogonal, the width of described first chute and the second chute and identical length etc., the center of described chute and cushion block body center superposition, described detent mechanism is connected with slide, described detent mechanism includes spacer, connector and locating piece, and described spacer, connector and locating piece are sequentially connected.
On this basis, the both sides, lower end of described first chute and the second chute are fixedly installed slotted vane, slotted vane midfeather described in both sides is slotted eye, and the width of the slotted eye of described first chute and the slotted eye of the second chute is equal, and the upper surface of described slotted vane is laid with the magnetic sheet that magnetic pole is N.
On this basis, described spacer is square, and the length of side of described spacer is more than slotted eye width and less than the width of chute, and the lower surface of described spacer is provided with the magnetic sheet that magnetic pole is N.
On this basis, described connector includes connecting ring and universal screw, and described universal screw is arranged on the lower section connecting ring, and the upper end of described connection ring is fixedly installed on the underface of spacer, and described universal screw is fixedly installed on the surface of locating piece.
On this basis, also including at least two stator, described stator is rectangle, and one end of stator is vertically installed with sealing surface, and described stator is flexibly connected with chute.
On this basis, the width of described stator and the width of the first chute are equal, and the length of described stator is less than the length of the first chute.
On this basis, described stator includes left stator, middle stator and right stator, and described left stator, middle stator and right stator are sequentially connected and one-body molded, and described middle stator upper surface is laid with the magnetic sheet that magnetic pole is S.
Present invention also offers a kind of transformer cushion block combinative structure, transformer cushion block including two same sizes, respectively go up cushion block and lower cushion block, described upper cushion block is fixedly installed on above coil, described lower cushion block is fixedly installed on below coil, also including insulating cylinder, one end of described insulating cylinder is connected with the locating piece of upper cushion block, and the other end of described insulating cylinder is connected with the locating piece of lower cushion block.
On this basis, described transformer cushion block upper surface is internally provided with nut, and outside is provided with nail pressing, and described nail pressing is connected with nut.
On this basis, described insulating cylinder is suit type insulating cylinder.
Compared with prior art, the invention has the beneficial effects as follows:
1, transformer cushion block in the present invention, including cushion block body and detent mechanism, cushion block body be arranged below chute, chute includes the first chute and the second chute, the midpoint of the first chute and the second chute overlaps and orthogonal, the width of the first chute and the second chute and identical length etc., the center of chute and cushion block body center superposition, detent mechanism is slidably arranged in chute, detent mechanism includes spacer, connector and locating piece, spacer, connector and locating piece are sequentially connected, when coil pressure-bearing part changes, by the first chute, detent mechanism can be carried out front and back to regulate；When the transformator of different capabilities, it is possible to be adjusted by the second chute by detent mechanism, to reach suitable position, the present invention, by setting up cross chute, improves the versatility of transformer cushion block, has saved cost.
2, in the present invention, the both sides, lower end of the first chute and the second chute are fixedly installed slotted vane, both sides slotted vane midfeather is slotted eye, the width of the slotted eye of described first chute and the slotted eye of the second chute is equal, the upper surface of slotted vane is laid with the magnetic sheet that magnetic pole is N, spacer is square, the length of side of spacer is more than slotted eye width and less than the width of chute, and the lower surface of spacer is provided with the magnetic sheet that magnetic pole is N.Spacer can slide in the first chute and the second chute, and by arranging the magnetic sheet repelled each other so that the slip of spacer is more smooth quickly, and decreases the friction with chute, adds the service life of cushion block.
3, the connector in the present invention includes connecting ring and universal screw, and universal screw is arranged on the lower section connecting ring, and the upper end connecting ring is fixedly installed on the underface of spacer, and universal screw is fixedly installed on the surface of locating piece.Arranging universal screw, it is possible to locating piece is carried out inching, it is possible to make detent mechanism after changing position, insulating cylinder is more appropriate to the position after adjusting.
4, at least including two stators in the present invention, stator is rectangle, and one end of stator is vertically installed with sealing surface, and stator is flexibly connected with chute.The width of stator and the width of the first chute are equal, and the length of described stator is less than the length of the first chute.Stator includes left stator, middle stator and right stator, and left stator, middle stator and right stator are sequentially connected and one-body molded, and middle stator upper surface is laid with the magnetic sheet that magnetic pole is S.Position is adjusted at detent mechanism, stator is inserted cushion block, owing to middle stator being provided with the magnetic sheet attracting with spacer, therefore good fixation can be played, the additionally sealing surface at stator two ends, cushion block can be effectively sealed, it is to avoid pollutant enter, it is ensured that later normal use.
5, transformer cushion block combinative structure in the present invention, including two transformer cushion blocks, respectively go up cushion block and lower cushion block, upper cushion block is fixedly installed on above coil, lower cushion block is fixedly installed on below coil, also including insulating cylinder, one end of insulating cylinder is connected with the locating piece of upper cushion block, and the other end of insulating cylinder is connected with the locating piece of lower cushion block.Transformer cushion block is internally provided with nut, and outside is provided with nail pressing, and nail pressing is connected with nut.Nut is arranged on be made directly again through nail pressing inside transformer cushion block fixing, it is possible to effectively prevent transformer cushion block in lifting process loosen.It addition, insulating cylinder is suit type insulating cylinder, when coil generation height change, it is possible to suit insulating cylinder is carried out suitable increase or reduces to adapt to actual height, simple in construction, highly versatile.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of transformer cushion block combinative structure of the present invention；
Fig. 2 is the top view of a kind of transformer cushion block of the present invention；
Fig. 3 is the structural representation of detent mechanism in a kind of transformer cushion block of the present invention；
Fig. 4 is the structural representation of stator in a kind of transformer cushion block of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the present invention, is not intended to limit the present invention.
The present invention discloses a kind of transformer cushion block, such as Fig. 2, cushion block body 1 and detent mechanism 2 is included shown in 3, cushion block body 1 be arranged below chute, chute includes the first chute 111 and the second chute 112, first chute 111 overlaps and orthogonal with the midpoint of the second chute 112, namely the first chute 111 and the second chute 112 are fixedly connected as cross chute, and first chute 111 internal with the second chute 112 communicate, preferably, the width of the first chute 111 and the second chute 112 and identical length etc., and cushion block body 1 is square, it is preferred that, first chute 111 is equal with the cushion block cross section length of side with the length of the second chute 112, slotted eye 13 is made to be arranged on the two ends of cushion block.As shown in Figure 2, the both sides, lower end of the first chute 111 and the second chute 112 are fixedly installed slotted vane 12, both sides slotted vane 12 midfeather constitutes slotted eye 13, the slotted eye 13 of the first chute 111 is equal with the width of the slotted eye 13 of the second chute 112, namely the first chute 111 and the second chute 112 are equivalently-sized, preferably, the upper surface of slotted vane 12 is laid with the magnetic sheet that magnetic pole is N.The center of chute and cushion block body 1 center superposition, detent mechanism 2 is connected with slide, and detent mechanism 2 can slide in the first chute 111 and the second chute 112,
As in figure 2 it is shown, detent mechanism 2 includes spacer 21, connector 22 and locating piece 23, spacer 21, connector 22 and locating piece 23 are sequentially connected.Spacer 21 is square, the length of side of spacer 21 is more than slotted eye 13 width and less than the width of chute, as shown in Figure 3, connector 22 includes connecting ring 221 and universal screw 222, universal screw 222 is arranged on the lower section connecting ring 221, the upper end connecting ring 221 is fixedly installed on the underface of spacer 21, and universal screw 222 is fixedly installed on the surface of locating piece 23.
Owing to the length of side of spacer 21 is more than slotted eye 13 width and less than the width of chute, and connector 22 has been provided with screw universal, therefore spacer 21 can be directly entered the first chute 111 from the second chute 112, simple to operation, in Fig. 2, respectively spacer 21 overlaps with the second chute 112 at second chute the 112, second chute 112 schematic diagram of position, the first chute 111 3 place diverse location.Preferably, the lower surface of spacer 21 is provided with the magnetic sheet that magnetic pole is N.Spacer 21 can slide in the first chute 111 and the second chute 112, and by arranging the magnetic sheet repelled each other with slotted vane 12 upper surface, the suspension slip making spacer 21 is more smooth quickly, and decreases the friction with chute, adds the service life of cushion block.
The present invention sets up the first chute 111 and the second chute 112, therefore when actually used process coil pressure-bearing part needs to change, it is possible to by the first chute 111, detent mechanism 2 is carried out front and back and regulates, to change different coil pressure-bearing positions；When actually used process runs into the transformator of different capabilities, can being adjusted by the second chute 112 by detent mechanism 2, to reach the transformator of suitable position cooperation different capabilities, the present invention is by setting up cross chute, improve the versatility of transformer cushion block, save cost.
Preferably, also include at least two stator 3, as shown in Figure 4, stator 3 is rectangle, stator 3 is flexibly connected with chute, and one end of stator 3 is vertically installed with sealing surface 31, preferably, the end face of sealing surface 31 and the first chute 111 and the second chute 112 is in the same size, the width of stator 3 and the width of the first chute 111 are equal, and the length of stator 3 is less than the length of the first chute 111, and the length of two ends stator 3 is equal to the length of the first chute 111, for coordinating the transformator of different capabilities, it is possible to arrange the stator 3 of different length.Stator 3 includes left stator 32, middle stator 33 and right stator 34, and left stator 32, middle stator 33 and right stator 34 are sequentially connected and one-body molded, and middle stator 33 upper surface is laid with the magnetic sheet that magnetic pole is S.Position is adjusted at detent mechanism 2, stator 3 is inserted from the two ends of detent mechanism 2 place chute, until the stator 3 at two ends reaches the position of detent mechanism 2, owing to middle stator 33 being provided with the magnetic sheet attracting with spacer 21, middle stator 33 is attracting in this appointment position with spacer 21, fit tightly, therefore good fixation can be played, the additionally sealing surface 31 at stator 3 two ends, cushion block can be effectively sealed, pollutant are avoided to enter, ensure later normal use, when needing the position again adjusting detent mechanism 2, by sealing surface 31, stator 3 is pulled out, the adjustment re-starting position is separated with detent mechanism 2, again fix.
Invention further discloses a kind of transformer cushion block combinative structure, as it is shown in figure 1, include the transformer cushion block of two same sizes, respectively go up cushion block 5 and lower cushion block 6, upper cushion block 5 and lower cushion block 6 are oppositely arranged, and upper cushion block 5 is fixedly installed on above coil, and lower cushion block 6 is reversely fixedly installed on below coil.Preferably, transformer cushion block upper surface is internally provided with nut 8, and outside is provided with nail pressing 9, and nail pressing 9 is connected with nut 8, is arranged on inside transformer cushion block by nut 8 and is made directly fixing again through nail pressing 9.Transformer cushion block combinative structure also includes insulating cylinder 7, and one end of insulating cylinder 7 is connected with the locating piece 23 of upper cushion block 5, and the other end of insulating cylinder 7 is connected with the locating piece 23 of lower cushion block 6.Transformer cushion block upper surface is internally provided with nut 8, and outside is provided with nail pressing 9, and nail pressing 9 is connected with nut 8, is arranged on inside transformer cushion block by nut 8 and is fixed again through nail pressing 9, it is possible to effectively prevent transformer cushion block from loosening in lifting process.It addition, insulating cylinder 7 is suit type insulating cylinder, when coil generation height change, it is possible to suit insulating cylinder is carried out suitable increase or reduces to adapt to actual height, simple in construction, highly versatile.
Described above illustrate and describes the preferred embodiments of the present invention, as previously mentioned, it is to be understood that the present invention is not limited to form disclosed herein, it is not to be taken as the eliminating to other embodiments, and can be used for other combinations various, amendment and environment, and in invention contemplated scope described herein, can be modified by the technology of above-mentioned instruction or association area or knowledge.And the change that those skilled in the art carry out and change are without departing from the spirit and scope of the present invention, then all should in the protection domain of claims of the present invention.
Claims (10)
1. a transformer cushion block, it is characterized in that: include cushion block body (1) and detent mechanism (2), described cushion block body (1) be arranged below chute, described chute includes the first chute (111) and the second chute (112), described first chute (111) overlaps and orthogonal with the midpoint of the second chute (112), the width of described first chute (111) and the second chute (112) and identical length etc., the center of described chute and cushion block body (1) center superposition, described detent mechanism (2) is connected with slide, described detent mechanism (2) includes spacer (21), connector (22) and locating piece (23), described spacer (21), connector (22) and locating piece (23) are sequentially connected.
2. a kind of transformer cushion block according to claim 1, it is characterized in that: the both sides, lower end of described first chute (111) and the second chute (112) are fixedly installed slotted vane (12), slotted vane described in both sides (12) midfeather is slotted eye (13), the slotted eye (13) of described first chute (111) is equal with the width of the slotted eye of the second chute (112) (13), and the upper surface of described slotted vane (12) is laid with the magnetic sheet that magnetic pole is N.
3. a kind of transformer cushion block according to claim 1, it is characterized in that: described spacer (21) is square, the length of side of described spacer (21) is more than slotted eye (13) width and the width less than chute, and the lower surface of described spacer (21) is provided with the magnetic sheet that magnetic pole is N.
4. a kind of transformer pad block structure according to claim 1, it is characterized in that: described connector (22) includes connecting ring (221) and universal screw (222), described universal screw (222) is arranged on the lower section connecting ring (221), the upper end of described connection ring (221) is fixedly installed on the underface of spacer (21), and described universal screw (222) is fixedly installed on the surface of locating piece (23).
5. a kind of transformer cushion block according to claim 1, it is characterized in that: also include at least two stator (3), described stator (3) is rectangle, and one end of stator (3) is vertically installed with sealing surface (31), described stator (3) is flexibly connected with chute.
6. a kind of transformer cushion block according to claim 5, it is characterized in that: the width of described stator (3) and the width of the first chute (111) are equal, and the length of described stator (3) is less than the length of the first chute (111).
7. a kind of transformer cushion block according to claim 6, it is characterized in that: described stator (3) includes left stator (32), middle stator (33) and right stator (34), described left stator (32), middle stator (33) and right stator (34) are sequentially connected and one-body molded, and described middle stator (33) upper surface is laid with the magnetic sheet that magnetic pole is S.
8. the cushion block combinative structure of the transformer cushion block having as described in claim 1～7 any one, it is characterized in that: include the transformer cushion block of two same sizes, respectively go up cushion block (5) and lower cushion block (6), described upper cushion block (5) is fixedly installed on above coil, described lower cushion block (6) is fixedly installed on below coil, also include insulating cylinder (7), one end of described insulating cylinder (7) is connected with the locating piece (23) of upper cushion block (5), the other end of described insulating cylinder (7) is connected with the locating piece (23) of lower cushion block (6).
9. a kind of transformer cushion block combinative structure according to claim 8, it is characterized in that: described transformer cushion block upper surface is internally provided with nut (8), outside is provided with nail pressing (9), and described nail pressing (9) is connected with nut (8).
10. a kind of transformer cushion block combinative structure according to claim 8, it is characterised in that: described insulating cylinder (7) is suit type insulating cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610346005.9A CN105810417B (en) | 2016-05-23 | 2016-05-23 | A kind of transformer cushion block and combinations thereof structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610346005.9A CN105810417B (en) | 2016-05-23 | 2016-05-23 | A kind of transformer cushion block and combinations thereof structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105810417A true CN105810417A (en) | 2016-07-27 |
| CN105810417B CN105810417B (en) | 2017-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610346005.9A Active CN105810417B (en) | 2016-05-23 | 2016-05-23 | A kind of transformer cushion block and combinations thereof structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN105810417B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61136210A (en) * | 1984-12-07 | 1986-06-24 | Toshiba Corp | Gas-insulated transformer |
| CN201611600U (en) * | 2009-07-30 | 2010-10-20 | 江苏瑞恩电气有限公司 | Embedded cushion block of dry-type transformer |
| CN203325669U (en) * | 2013-07-02 | 2013-12-04 | 山东省金曼克电气集团股份有限公司 | Elastic compressing device for coil of dry-type transformer |
| CN203423041U (en) * | 2013-05-30 | 2014-02-05 | 常州力能输变电材料科技有限公司 | Cushion block of dry-type transformer |
| CN203491067U (en) * | 2013-09-27 | 2014-03-19 | 海南金盘电气有限公司 | Combined cushion block of dry-type transformer |
| CN204834301U (en) * | 2015-07-01 | 2015-12-02 | 广东广特电气有限公司 | A composite pad block structure for on novel dry -type transformer |
| CN204946684U (en) * | 2015-09-08 | 2016-01-06 | 重庆望变电气（集团）股份有限公司 | Dry-type transformer cross-over block |
| CN205177581U (en) * | 2015-12-04 | 2016-04-20 | 天津市德诺电气有限公司 | General cushion of dry -type transformer |
| CN205230774U (en) * | 2015-12-16 | 2016-05-11 | 重庆吉能变压器有限公司 | Dry -type transformer and cross -over block thereof |
-
2016
- 2016-05-23 CN CN201610346005.9A patent/CN105810417B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61136210A (en) * | 1984-12-07 | 1986-06-24 | Toshiba Corp | Gas-insulated transformer |
| CN201611600U (en) * | 2009-07-30 | 2010-10-20 | 江苏瑞恩电气有限公司 | Embedded cushion block of dry-type transformer |
| CN203423041U (en) * | 2013-05-30 | 2014-02-05 | 常州力能输变电材料科技有限公司 | Cushion block of dry-type transformer |
| CN203325669U (en) * | 2013-07-02 | 2013-12-04 | 山东省金曼克电气集团股份有限公司 | Elastic compressing device for coil of dry-type transformer |
| CN203491067U (en) * | 2013-09-27 | 2014-03-19 | 海南金盘电气有限公司 | Combined cushion block of dry-type transformer |
| CN204834301U (en) * | 2015-07-01 | 2015-12-02 | 广东广特电气有限公司 | A composite pad block structure for on novel dry -type transformer |
| CN204946684U (en) * | 2015-09-08 | 2016-01-06 | 重庆望变电气（集团）股份有限公司 | Dry-type transformer cross-over block |
| CN205177581U (en) * | 2015-12-04 | 2016-04-20 | 天津市德诺电气有限公司 | General cushion of dry -type transformer |
| CN205230774U (en) * | 2015-12-16 | 2016-05-11 | 重庆吉能变压器有限公司 | Dry -type transformer and cross -over block thereof |
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| Publication number | Publication date |
|---|---|
| CN105810417B (en) | 2017-09-15 |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 226600 No.229, Huanghai Avenue West, Hai'an City, Nantong City, Jiangsu Province Patentee after: JIANGSU RUIEN ELECTRICAL Co.,Ltd. Address before: No. 229, West Huanghai Avenue, Hai'an County, Nantong City, Jiangsu Province, 226600 Patentee before: JIANGSU RYAN ELECTRIC LIMITED BY SHARE Ltd. |