CN105469959A - Insulating cylinder and transformer - Google Patents
Insulating cylinder and transformer Download PDFInfo
- Publication number
- CN105469959A CN105469959A CN201610067480.2A CN201610067480A CN105469959A CN 105469959 A CN105469959 A CN 105469959A CN 201610067480 A CN201610067480 A CN 201610067480A CN 105469959 A CN105469959 A CN 105469959A
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- China
- Prior art keywords
- insulating cylinder
- insulating
- installation portion
- vertical component
- component effect
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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)
- Insulating Bodies (AREA)
Abstract
The invention discloses an insulating cylinder and a transformer. The insulating cylinder comprises a hollow insulating cylinder body, wherein the upper end of the insulating cylinder body is provided with at least two open grooves, each open groove comprises a vertical part and a limiting part which obliquely intersects with the vertical part, and one end of each vertical part extends to the end face of the insulating cylinder body. By changing the structure of the insulating cylinder and a cushion block, the cushion block is made to penetrate through the vertical part and the limiting part of each open groove through an insulating threaded rod and fixed to an ascending flanged base through a first insulating nut, and the insulating cylinder and the ascending flanged base are fixed through a second insulating nut. Operation by a single person is convenient, working time is saved, time for assembly of the ascending flanged base and the insulating cylinder is greatly shortened, and the economic effect is remarkable.
Description
Technical field
The present invention relates to a kind of field transformer, particularly relate to a kind of insulating cylinder and transformer.
Background technology
The assembling schematic diagram of existing rising seat 100 and insulating cylinder, as Fig. 1, carrys out direct fixed insulation cylinder by insulated bolt, and the Main Function of insulating cylinder is split sleeve pipe and the oil clearance raised between seat wall, increases insulation distance, reduce and raise seat diameter.Parts (are made up of insulating cylinder 200, cross-over block 300, insulated bolt.By turning insulated bolt, insulating cylinder is fixed on rising seat inwall base plate.
Problems existing is as follows: 1. cushion block is installed inconvenient, poor operability, and needs more than 2 operators, and man-hour is long, and cost of labor is high; 2., owing to being that backhand gropes to place cushion block, enough distances must be reserved between insulating cylinder and rising seat, and the dimensional tolerance precision of cushion block, insulating cylinder is had high requirements, if overproof, assembling difficulty; 3. because insulating cylinder is unsettled placement in rising seat, do not locate before connecting with rising seat, therefore before mounting insulation tube, need manually to climb into and raise in seat hole, also stay will be placed spacing between insulating cylinder and rising seat, in case stop loss bad insulating cylinder, this operating cost expenses of labour material (the spacing end of stay is just ineffective afterwards); 4. raise before seat stands up and must protect, exceed to avoid insulating cylinder and raise the part of seat and to be collided with damage, add workload; 5. last fastening time need to take operating desk or again arrange workman to enter that it is inner, time-consumingly to take a lot of work.
Summary of the invention
The present invention, in order to solve above-mentioned difficulties, provides one can one man operation, saves man-hour, shortens insulating cylinder and the transformer of the installation time raising seat and insulating cylinder.
To achieve these goals, the present invention by the following technical solutions, a kind of insulating cylinder is arranged in power transformer enclosure, comprise: the insulating cylinder body of inner hollow, the upper end of described insulating cylinder body has at least two open slots, each open slot includes vertical component effect and to tilt crossing limiting section with described vertical component effect, and one end of described vertical component effect extends to insulating cylinder body end face.
In one embodiment of the invention, the vertical component effect of described each open slot and limiting section are angularly right angle or acute angle.
In one embodiment of the invention, the sidewall of described insulating cylinder body, the position closing on open slot offers installing hole.
Corresponding with above-mentioned insulating cylinder, present invention also offers a kind of transformer, comprising: a kind of transformer, comprising: raise seat; Insulating cylinder, comprise the insulating cylinder body of inner hollow, the upper end of described insulating cylinder body sidewall has at least two open slots, and each open slot includes vertical component effect and to tilt crossing limiting section with vertical component effect, and one end of described vertical component effect extends to insulating cylinder body upper surface; Cushion block, is provided with through hole; Fixation kit, comprise the first insulating nut, the second insulating nut and insulation blanket stud, described insulation blanket stud raises on seat through being fixed on after through hole, described first insulating nut coordinates with insulation blanket stud, cushion block is relative fixing with rising seat, described insulation blanket stud coordinates with described limiting section through after the vertical component effect of open slot, the axial location of restriction insulating cylinder; Described second insulating nut coordinates with insulation blanket stud, and make insulating cylinder relative fixing with rising seat, described first insulating nut and the second insulating nut lay respectively at the inside and outside both sides of insulating cylinder body sidewall.
In one embodiment of the invention, the vertical component effect of each open slot and limiting section are angularly right angle or acute angle.
In one embodiment of the invention, described fixation kit also comprises insulated bolt; The sidewall of described insulating cylinder body, the position closing on open slot offers installing hole; Described cushion block has multiple through hole, and described installing hole is corresponding with one of them through hole of cushion block, and insulated bolt raises on seat through being fixed on after corresponding installing hole and through hole.
In one embodiment of the invention, described cushion block comprises the first installation portion and the second installation portion, and the thickness of described second installation portion is greater than the thickness of the first installation portion; Described through hole has two, is separately positioned on described first installation portion and the second installation portion; The thickness of described first insulating nut is less than or equal to the thickness difference of the first installation portion and the second installation portion, and described first insulating nut coordinates with the first installation portion.
In one embodiment of the invention, described first installation portion and the second installation portion one-body molded, described second installation portion is provided with chamfering.
In one embodiment of the invention, described vertical component effect and limiting section arc transition, the upper end open place of described vertical component effect is provided with chamfering.
In one embodiment of the invention, the circumference of described insulating cylinder is evenly provided with four open slots.
Compared with prior art, the invention has the beneficial effects as follows: structure of the present invention is simple, modern design.Cushion block, by changing the structure of insulating cylinder and cushion block, is passed vertical component effect and the limiting section of open slot by the present invention by insulation blanket stud, and raises on seat by the first insulating nut is fixing, and insulating cylinder and rising seat is fixed by the second insulating nut; Facilitate one man operation, save man-hour, substantially reduce the installation time raising seat insulating cylinder, obvious economic.
In addition, the vertical component effect of open slot and limiting section are angularly right angle or acute angle, in order to prevent insulation blanket stud from skidding off open slot, cause connecting instability; Increase insulated bolt, considerably increase cushion block, insulating cylinder and the firmness raised between seat; Cushion block comprises two installation portions, and two installation portions have thickness difference, and the installation being convenient to the first insulating nut and cushion block coordinates, and is beneficial to the installation of insulating cylinder; First of cushion block install and the second installation portion one-body molded, be conducive to reinforcing insulating cylinder, cushion block and raise the reinforcing of seat, raising stability; Vertical component effect and limiting section arc transition, be convenient to insulation blanket stud and slip into limiting section from vertical component effect smoothly; The upper end open place of vertical component effect is provided with chamfering, contributes to insulation blanket stud and slips into open slot, avoids breaking insulation barrel; Four open slots of even setting, improve insulating cylinder and raise between seat and install stability.
Accompanying drawing explanation
Fig. 1 is the assembling schematic diagram of insulating cylinder and rising seat in existing Design of Transformer;
Fig. 2 is the structural representation of insulating cylinder of the present invention;
Fig. 3 is the structural representation after insulating cylinder of the present invention launches;
Fig. 4 is the enlarged drawing at A place in Fig. 3;
Fig. 5 is cushion block cutaway view of the present invention;
Fig. 6 is the vertical view of cushion block of the present invention;
Figure 7 shows that the assembling schematic diagram of insulating cylinder and rising seat in the transformer that one embodiment of the invention provides.
Embodiment
In order to make those skilled in the art person better understand the present invention program, below in conjunction with the accompanying drawing in the embodiment of the present invention, clear, complete description is carried out to the technical scheme in the embodiment of the present invention.
As illustrated in figs. 2-7, a kind of insulating cylinder provided by the invention and transformer, comprising: raise seat 1, insulating cylinder 2, cushion block 3 and fixation kit 4.Insulating cylinder 2 comprises the insulating cylinder body of inner hollow, the upper end of described insulating cylinder body sidewall has four open slots 21, the limiting section 212 that each open slot includes vertical component effect 211 and tilts crossing with vertical component effect 211, and one end of described vertical component effect 211 extends to insulating cylinder body upper surface; Cushion block 3 is provided with through hole 31; Fixation kit 4 comprises the first insulating nut 41, second insulating nut 42 and insulation blanket stud 43, described insulation blanket stud 43 raises on seat 1 through being fixed on after through hole 31, described first insulating nut 41 coordinates with insulation blanket stud 43, cushion block 3 is relative fixing with rising seat 1, described insulation blanket stud 43 coordinates with described limiting section 212 through after the vertical component effect 211 of open slot, the axial location of restriction insulating cylinder 2; Described second insulating nut 42 coordinates with insulation blanket stud 43, and make insulating cylinder 2 relative fixing with rising seat 1, described first insulating nut 41 and the second insulating nut 42 lay respectively at the inside and outside both sides of insulating cylinder body sidewall.Described cushion block is fixed on by the first insulating nut 41 and insulation blanket stud 43 and raises seat 1, and insulation blanket stud 43 is successively through vertical component effect 211 and the limiting section 212 of open slot, and by the second insulating nut 42 by insulating cylinder 2, cushion block 3 and rising seat 1 are fixed.
In the present embodiment, vertical component effect 211 and the limiting section 212 of each open slot 21 are angularly right angle, and described open slot, in " L " type, is conducive to the fixing of insulating cylinder 2, provides stability.In other embodiments, the angle that the vertical component effect 211 of open slot and limiting section 212 are is acute angle, but the present invention is not construed as limiting this.
In the present embodiment, described fixation kit 4 also comprises insulated bolt 44; The sidewall of described insulating cylinder body, is provided with oval installing hole 22 immediately below described limiting section 212 end; Described cushion block 3 has multiple through hole, described installing hole 22 is corresponding with one of them through hole 31 of cushion block 3, insulated bolt 44 raises on seat through being fixed on after corresponding installing hole 22 and through hole 31, considerably increases cushion block, insulating cylinder and the firmness raised between seat.But the present invention is not construed as limiting the particular location of installing hole and shape.In other embodiment, the position of installing hole 22 can be located on sidewall that insulating cylinder body closes on open slot 21 and.Installing hole 22 can be circular or other arbitrary shapes.
In the present embodiment, described cushion block 3 comprises the first installation portion 32 and the second installation portion 33, and the thickness of described second installation portion 33 is greater than the thickness of the first installation portion 32; Described through hole 31 has two, comprises the first through hole 311 and the second through hole 312, is separately positioned on described first installation portion 32 and the second installation portion 33; The thickness of described first insulating nut 41 is less than or equal to the thickness difference of the first installation portion 32 and the second installation portion 33, and described first insulating nut 41 coordinates with the first installation portion 32.Cushion block 3 comprises two installation portions, and two installation portions have thickness difference, and the installation being convenient to the first insulating nut 41 and cushion block 3 coordinates, and is beneficial to the installation of insulating cylinder 2.
In the present embodiment, described first installation portion 32 and the second installation portion 33 one-body molded, described second installation portion 33 is provided with chamfering.First installation portion 32 of cushion block 3 and the second installation portion 33 one-body molded, be conducive to reinforcing insulating cylinder 2, cushion block 3 and raise the reinforcing of seat 1, improve stability, the chamfering of the second installation portion 33 facilitates insulating cylinder 2 through raising seat 1, and the insulating cylinder that do not collide with.
In the present embodiment, described vertical component effect 211 and limiting section 212 arc transition, the upper end open place of described vertical component effect 211 is provided with chamfering.Vertical component effect 211 and limiting section 212 arc transition, be convenient to insulation blanket stud 43 and slip into limiting section 212 from vertical component effect 211 smoothly; The upper end open place of vertical component effect 211 is provided with chamfering, contributes to insulation blanket stud 43 and slips into open slot 21, avoids breaking insulation barrel.
In the present embodiment, the circumference of described insulating cylinder is evenly provided with four open slots 21.But the present invention is not construed as limiting this.In other embodiments, open slot 21 number can be less than four or more, and four open slots 21 evenly arranged improve insulating cylinder 2 and raise between seat 1 installs stability and uniformity.
Insulation blanket stud 43 is through the first through hole 311 of cushion block 3, by the first insulating nut 31, cushion block 3 is fixed on rising seat 1, by insulating cylinder 2 through the bottom raising seat 1, through raising seat 1, insulation blanket stud 43 through vertical component effect 211 and the limiting section 212 of open slot, enters the end of limiting section 212 successively.Second insulating nut 42 coordinates with insulation blanket stud 43, fixed insulation cylinder 2, cushion block 3 and rising seat 1.Insulated bolt 44 is successively through installing hole 22 and the second through hole 312, and by insulating cylinder 2, cushion block 3 and rising seat 1 are reinforced.
In sum, structure of the present invention is simple, modern design.Cushion block, by changing the structure of insulating cylinder and cushion block, is passed vertical component effect and the limiting section of open slot by the present invention by insulation blanket stud, and raises on seat by the first insulating nut is fixing, and insulating cylinder and rising seat is fixed by the second insulating nut; Facilitate one man operation, save man-hour, substantially reduce the installation time raising seat insulating cylinder, obvious economic.
In addition, the vertical component effect of open slot and limiting section are angularly right angle or acute angle, in order to prevent insulation blanket stud from skidding off open slot, cause connecting instability; Increase insulated bolt and reinforcement effect is risen to cushion block and insulating cylinder; Cushion block comprises two installation portions, and two installation portions have thickness difference, and the installation being convenient to the first insulating nut and cushion block coordinates, and is beneficial to the installation of insulating cylinder; First of cushion block install and the second installation portion one-body molded, be conducive to reinforcing insulating cylinder, cushion block and raise the reinforcing of seat, raising stability; Vertical component effect and limiting section arc transition, be convenient to insulation blanket stud and slip into limiting section from vertical component effect smoothly; The upper end open place of vertical component effect is provided with chamfering, contributes to insulation blanket stud and slips into open slot, avoids breaking insulation barrel; Four open slots of even setting, improve insulating cylinder and raise between seat and install stability.
Claims (10)
1. an insulating cylinder, be arranged in power transformer enclosure, it is characterized in that, comprise: the insulating cylinder body of inner hollow, the upper end of described insulating cylinder body has at least two open slots, each open slot includes vertical component effect and to tilt crossing limiting section with described vertical component effect, and one end of described vertical component effect extends to insulating cylinder body end face.
2. insulating cylinder according to claim 1, is characterized in that, the vertical component effect of described each open slot and limiting section are angularly right angle or acute angle.
3. insulating cylinder according to claim 1, is characterized in that, the sidewall of described insulating cylinder body, and the position closing on open slot offers installing hole.
4. a transformer, comprising:
Raise seat;
Insulating cylinder, comprise the insulating cylinder body of inner hollow, the upper end of described insulating cylinder body sidewall has at least two open slots, and each open slot includes vertical component effect and to tilt crossing limiting section with vertical component effect, and one end of described vertical component effect extends to insulating cylinder body upper surface;
Cushion block, is provided with through hole;
Fixation kit, comprise the first insulating nut, the second insulating nut and insulation blanket stud, described insulation blanket stud raises on seat through being fixed on after through hole, described first insulating nut coordinates with insulation blanket stud, cushion block is relative fixing with rising seat, described insulation blanket stud coordinates with described limiting section through after the vertical component effect of open slot, the axial location of restriction insulating cylinder; Described second insulating nut coordinates with insulation blanket stud, and make insulating cylinder relative fixing with rising seat, described first insulating nut and the second insulating nut lay respectively at the inside and outside both sides of insulating cylinder body sidewall.
5. transformer according to claim 4, is characterized in that, the vertical component effect of each open slot and limiting section are angularly right angle or acute angle.
6. transformer according to claim 4, is characterized in that, described fixation kit also comprises insulated bolt; The sidewall that described insulating cylinder body closes on open slot offers installing hole; Described cushion block has multiple through hole, and described installing hole is corresponding with one of them through hole of cushion block, and insulated bolt raises on seat through being fixed on after corresponding installing hole and through hole.
7. transformer according to claim 4, is characterized in that, described cushion block comprises the first installation portion and the second installation portion, and the thickness of described second installation portion is greater than the thickness of the first installation portion; Described through hole has two, is separately positioned on described first installation portion and the second installation portion; The thickness of described first insulating nut is less than or equal to the thickness difference of the first installation portion and the second installation portion, and described first insulating nut coordinates with the first installation portion.
8. transformer according to claim 7, is characterized in that, described first installation portion and the second installation portion one-body molded, described second installation portion is provided with chamfering.
9. transformer according to claim 4, is characterized in that, described vertical component effect and limiting section arc transition, and the upper end open place of described vertical component effect is provided with chamfering.
10. transformer according to claim 4, is characterized in that, the circumference of described insulating cylinder is evenly provided with four open slots.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610067480.2A CN105469959B (en) | 2016-01-29 | 2016-01-29 | Insulating cylinder and transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610067480.2A CN105469959B (en) | 2016-01-29 | 2016-01-29 | Insulating cylinder and transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105469959A true CN105469959A (en) | 2016-04-06 |
| CN105469959B CN105469959B (en) | 2018-06-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610067480.2A Active CN105469959B (en) | 2016-01-29 | 2016-01-29 | Insulating cylinder and transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105469959B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04332109A (en) * | 1991-05-07 | 1992-11-19 | Fuji Electric Co Ltd | Lifting device for on-load tap changer |
| CN201956158U (en) * | 2010-12-31 | 2011-08-31 | 四川东方变压器集团有限公司 | Transformer high-voltage boosting seat |
| CN202339785U (en) * | 2011-12-09 | 2012-07-18 | 山东电力设备有限公司 | Ascending flanged base |
| CN202816548U (en) * | 2012-09-14 | 2013-03-20 | 保定天威集团有限公司 | Novel internal insulating cylinder fixing structure of ascending flanged base |
| CN202957102U (en) * | 2012-10-26 | 2013-05-29 | 上海宝钢工业技术服务有限公司 | Insulating structure for pressure equalizing ball of oil-impregnated paper condenser type transformer bushing |
| CN204242756U (en) * | 2014-11-24 | 2015-04-01 | 杭州钱江电气集团股份有限公司 | 110kV high-voltage connection sleeve pipe voltage equalizing ball insulation system |
| CN205542338U (en) * | 2016-01-29 | 2016-08-31 | 卧龙电气集团股份有限公司 | Insulating cylinder and transformer |
-
2016
- 2016-01-29 CN CN201610067480.2A patent/CN105469959B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04332109A (en) * | 1991-05-07 | 1992-11-19 | Fuji Electric Co Ltd | Lifting device for on-load tap changer |
| CN201956158U (en) * | 2010-12-31 | 2011-08-31 | 四川东方变压器集团有限公司 | Transformer high-voltage boosting seat |
| CN202339785U (en) * | 2011-12-09 | 2012-07-18 | 山东电力设备有限公司 | Ascending flanged base |
| CN202816548U (en) * | 2012-09-14 | 2013-03-20 | 保定天威集团有限公司 | Novel internal insulating cylinder fixing structure of ascending flanged base |
| CN202957102U (en) * | 2012-10-26 | 2013-05-29 | 上海宝钢工业技术服务有限公司 | Insulating structure for pressure equalizing ball of oil-impregnated paper condenser type transformer bushing |
| CN204242756U (en) * | 2014-11-24 | 2015-04-01 | 杭州钱江电气集团股份有限公司 | 110kV high-voltage connection sleeve pipe voltage equalizing ball insulation system |
| CN205542338U (en) * | 2016-01-29 | 2016-08-31 | 卧龙电气集团股份有限公司 | Insulating cylinder and transformer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105469959B (en) | 2018-06-15 |
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