CN103456474B - A kind of combined transformer low-tension bushing - Google Patents
A kind of combined transformer low-tension bushing Download PDFInfo
- Publication number
- CN103456474B CN103456474B CN201310454461.1A CN201310454461A CN103456474B CN 103456474 B CN103456474 B CN 103456474B CN 201310454461 A CN201310454461 A CN 201310454461A CN 103456474 B CN103456474 B CN 103456474B
- Authority
- CN
- China
- Prior art keywords
- nut
- sealing ring
- base
- conducting rod
- transformer low
- Prior art date
- 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.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims abstract description 45
- 239000012212 insulator Substances 0.000 claims abstract description 26
- 230000013011 mating Effects 0.000 claims description 13
- 230000000717 retained effect Effects 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 description 11
- 238000003825 pressing Methods 0.000 description 3
- 238000000748 compression moulding Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention discloses a kind of combined transformer low-tension bushing, belong to bushing shell for transformer field.A kind of combined transformer low-tension bushing of the present invention, comprise conducting rod and insulator, also comprise the first sealing ring, the second sealing ring, base and the first nut, described conducting rod one end is one-body molded round platform and connector lug, described connector lug is positioned at above round platform, below sheathed first sealing ring, insulator, the second sealing ring and the base successively of described round platform, and the described conducting rod other end is with external screw thread, the first described nut matches with above-mentioned external screw thread, compresses base.The present invention not only reduces the manufacturing cost of transformer low voltage sleeve pipe, simplifies assembly technology, and transformer oil tank wall does not need welding screw, avoids the problem being caused because welding position is forbidden and cannot install, and has good sealing effectiveness simultaneously.
Description
Technical field
The present invention relates to a kind of bushing shell for transformer, more particularly, relate to a kind of combined transformer low-tension bushing.
Background technology
Along with developing rapidly of China's power industry, transformer consumption surges, higher to the requirement of transformer.In the transformer course of work, bushing shell for transformer is one of critical component affecting transformer power transmission and transformation service behaviour.At present, bushing shell for transformer is in transformer installation and operation process, because bushing shell for transformer almost all adopts wild card wafer type mounting means to be fixed on the case lid of transformer, there is no integral installation, not only need to manufacture or buy special wild card pressure angle, improve the cost of manufacture of transformer, and bushing shell for transformer is fixing firm not, it is also not quite convenient that clamp is installed and changed, thus reduce installation effectiveness and the installation quality of bushing shell for transformer.
As shown in Figure 5, different from the mounting means of the bushing shell for transformer be arranged on transformer top, in prior art, be installed on low-tension bushing on oil tank of transformer sidewall when mounted, transformer oil tank wall 5 needs welding screw 13, stud 13 is installed pressing plate 14, utilize nut by clamp sleeve between oil tank wall 5 and pressing plate 14, thus the installation realizing transformer low voltage sleeve pipe is fixed.This mounting means cost is high, complicated operation, installation effectiveness are low, and the position of usually welding because of stud 13 is forbidden and causes the problem that cannot install.
Through retrieval, related art scheme is had open for above problem, as Chinese Patent Application No. 201210555779.4, Shen Qing Publication day is on April 17th, 2013, invention and created name is: a kind of bushing of distribution transformer, this application case relates to technical field of transformer equipment, comprise cover plate, bushing, sleeve pipe installing hole is provided with in the middle of cover plate, bushing bottom is through the sleeve pipe installing hole on cover plate, the region of bushing through sleeve pipe installing hole is provided with a fixed head, fixed head two ends are connected with cover plate by fixed head fastening bolt, the both sides that fixed head contacts with bushing are provided with limit spring.This application case to some extent solves the problem of low, the easy Discharge Phenomena of bushing shell for transformer installation effectiveness, but its weak point is: this application case complex structure, fitting operation is more difficult.
Summary of the invention
1. invent the technical problem that will solve
The object of the invention is to overcome the deficiency of transformer low voltage sleeve pipe mounting means backwardness, operating difficulties in prior art, a kind of combined transformer low-tension bushing is provided, adopt technical scheme provided by the invention, not only reduce the manufacturing cost of transformer low voltage sleeve pipe, simplify assembly technology, and transformer oil tank wall does not need welding screw, avoid the problem being caused because welding position is forbidden and cannot install, there is good sealing effectiveness simultaneously.
2. technical scheme
For achieving the above object, technical scheme provided by the invention is:
A kind of combined transformer low-tension bushing of the present invention, comprise conducting rod and insulator, also comprise the first sealing ring, the second sealing ring, base and the first nut, described conducting rod one end is one-body molded round platform and connector lug, described connector lug is positioned at above round platform, below sheathed first sealing ring, insulator, the second sealing ring and the base successively of described round platform, and the described conducting rod other end is with external screw thread, the first described nut matches with above-mentioned external screw thread, compresses base.
Further, the shape of described connector lug is flat, and connector lug is provided with wiring hole.
Further, the upper end of described insulator is provided with umbrella shape face, and the lower end of described insulator is provided with groove, and described groove matches with the second sealing ring.
Further, described base comprises orthogonal retained part and mating part, and the inwall of described mating part matches with conducting rod, and the outer wall of described mating part matches with the inwall of insulator.
Further, the material of described base is ambroin.
Further, the first pad is provided with between the first described nut and base.
Further, the below of the first described nut is disposed with the second pad, the 3rd pad, the second nut and the 3rd nut, the second described pad and the 3rd pad are sheathed on conducting rod, and the second described nut and the 3rd nut all match with the external screw thread on conducting rod.
Further, described transformer low voltage sleeve pipe is installed on transformer oil tank wall, and described oil tank wall is between the second sealing ring and the retained part of base, and the second described sealing ring and oil tank wall are sealed and matched.
3. beneficial effect
Adopt technical scheme provided by the invention, compared with existing known technology, there is following remarkable result:
(1) a kind of combined transformer low-tension bushing of the present invention, conducting rod one end is one-body molded round platform and connector lug, and connector lug is positioned at above round platform, does not have weld mark, avoids owing to welding bad and produces local overheating, affects the conduction of conducting rod; Below sheathed first sealing ring, insulator, the second sealing ring and the base successively of round platform, the conducting rod other end is with external screw thread, first nut matches with above-mentioned external screw thread, compress base, structure is simple, and this transformer low voltage sleeve pipe is installed on transformer oil tank wall, oil tank wall is between the second sealing ring and the retained part of base, oil tank wall does not need welding screw, avoids the problem being caused because welding position is forbidden and cannot install, simplify assembly technology;
(2) a kind of combined transformer low-tension bushing of the present invention, the shape of connector lug is flat, and connector lug is provided with wiring hole, can be connected with wire easily, and contact is good;
(3) a kind of combined transformer low-tension bushing of the present invention, the upper end of insulator is provided with umbrella shape face, and the lower end of insulator is provided with groove, and groove matches with the second sealing ring, is conducive to the location of sealing ring, guarantees to install reliable and good sealing;
(4) a kind of combined transformer low-tension bushing of the present invention, base comprises orthogonal retained part and mating part, the inwall of mating part matches with conducting rod, the outer wall of mating part matches with the inwall of insulator, reduce physical dimension, reduce the weight of sleeve pipe, the size of user's magnetic isolation plate also can reduce simultaneously, reduces the cost of manufacture; The material of base is ambroin, is convenient to injection-compression molding, create a further reduction manufacturing cost;
(5) a kind of combined transformer low-tension bushing of the present invention, is provided with the first pad between the first nut and base, can fastening bushing shell for transformer better, makes the installation of sleeve pipe more firm;
(6) a kind of combined transformer low-tension bushing of the present invention, the below of the first nut is disposed with the second pad, 3rd pad, second nut and the 3rd nut, second pad and the 3rd pad are sheathed on conducting rod, for being connected with the lead-in wire in transformer, second nut and the 3rd nut all match with the external screw thread on conducting rod, second nut is used for fastening lead-in wire, 3rd nut can prevent from making lead-in wire loosen because of the second nut rollback on the one hand, on the other hand, utilize the second nut and the larger contact-making surface of the 3rd nut, electric energy is passed to conducting rod better.
Accompanying drawing explanation
Fig. 1 be a kind of combined transformer low-tension bushing of the present invention partly cut open structural representation;
Fig. 2 is the structural representation of the conducting rod in the present invention;
Fig. 3 is the structural representation of the insulator in the present invention;
Fig. 4 is the structural representation of the base in the present invention;
Fig. 5 is the mounting structure schematic diagram of transformer low voltage sleeve pipe of the prior art.
Label declaration in schematic diagram:
1, conducting rod; 101, wiring hole; 102, round platform; 2, the first sealing ring; 3, insulator; 301, umbrella shape face; 302, groove; 4, the second sealing ring; 5, oil tank wall; 6, base; 601, retained part; 602, mating part; 7, the first pad; 8, the first nut; 9, the second pad; 10, the 3rd pad; 11, the second nut; 12, the 3rd nut; 13, stud; 14, pressing plate.
Embodiment
For understanding content of the present invention further, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment
Composition graphs 1 and Fig. 2, a kind of combined transformer low-tension bushing of the present embodiment, comprise conducting rod 1, insulator 3, first sealing ring 2, second sealing ring 4, base 6 and the first nut 8, conducting rod 1 one end is one-body molded round platform 102 and connector lug, connector lug is positioned at above round platform 102, there is no weld mark, avoid owing to welding bad and produce local overheating, affect the conduction of conducting rod 1; The shape of connector lug is flat, and connector lug is provided with wiring hole 101, can be connected with wire easily, and contact is good.Below sheathed first sealing ring 2, insulator 3, second sealing ring 4 and the base 6 successively of round platform 102, the radial dimension of round platform 102 is greater than the radial dimension of the first sealing ring 2, prevents the first sealing ring 2 to be directly exposed in air aging for a long time; The two ends of insulator 3, all with sealing ring sealing, are guaranteed that the oil in insulator 3 does not leak, are reached insulation effect better; Conducting rod 1 other end is with external screw thread, and the first nut 8 matches with above-mentioned external screw thread, and compress base 6, structure is simple.As shown in Figure 3, the upper end of the insulator 3 in the present embodiment is provided with umbrella shape face 301, and the lower end of insulator 3 is provided with groove 302, and groove 302 matches with the second sealing ring 4, is conducive to the location of sealing ring, guarantees to install reliable and good sealing.As shown in Figure 4, base 6 comprises orthogonal retained part 601 and mating part 602, the inwall of mating part 602 matches with conducting rod 1, the outer wall of mating part 602 matches with the inwall of insulator 3, reduce physical dimension, reduce the weight of sleeve pipe, the size of user's magnetic isolation plate also can reduce simultaneously, reduces the cost of manufacture.The material of the base 6 in the present embodiment is ambroin, and base 6, by injection-compression molding, create a further reduction manufacturing cost.
As shown in Figure 1, a kind of combined transformer low-tension bushing of the present embodiment, is provided with the first pad 7 between the first nut 8 and base 6, can fastening bushing shell for transformer better, makes the installation of sleeve pipe more firm.The below of the first nut 8 is disposed with the second pad 9, the 3rd pad 10, second nut 11 and the 3rd nut 12, second pad 9 and the 3rd pad 10 is sheathed on conducting rod 1, for being connected with the lead-in wire in transformer; Second nut 11 and the 3rd nut 12 all match with the external screw thread on conducting rod 1, second nut 11 is for fastening lead-in wire, 3rd nut 12 1 aspect can prevent from making lead-in wire loosen because of the second nut 11 rollback, on the other hand, utilize the second nut 11 and the larger contact-making surface of the 3rd nut 12, electric energy is passed to conducting rod 1 better.
A kind of combined transformer low-tension bushing of the present embodiment is installed on transformer oil tank wall 5, and oil tank wall 5 is between the second sealing ring 4 and the retained part 601 of base 6, and the second sealing ring 4 is sealed and matched with oil tank wall 5.During installation, first the first sealing ring 2, insulator 3, second sealing ring 4 are sheathed on conducting rod 1 successively; Then conducting rod 1 is installed on externally threaded one end in the installing hole of oil tank wall 5, from oil tank of transformer inside, base 6 is set in conducting rod 1, makes oil tank wall 5 be between the second sealing ring 4 and the retained part 601 of base 6; First pad 7 and the first nut 8 is installed successively again, transformer low voltage sleeve pipe is anchored on transformer oil tank wall 5; Finally the second pad 9, the 3rd pad 10, second nut 11 and the 3rd nut 12 are installed successively, lead-in wire in transformer is connected between the second pad 9 and the 3rd pad 10, clamped by the second nut 11,3rd nut 12 is locking, user side wire is connected on wiring hole 101, completes the installation of transformer low voltage sleeve pipe.
A kind of combined transformer low-tension bushing of the present invention, compared with traditional sleeve pipe, not only reduce the manufacturing cost of transformer low voltage sleeve pipe, simplify assembly technology, and transformer oil tank wall does not need welding screw, avoid the problem being caused because welding position is forbidden and cannot install, there is good sealing effectiveness simultaneously.What deserves to be explained is, a kind of combined transformer low-tension bushing of the present invention, have passed the detection of department of State Grid, has met the instructions for use of transformer low voltage sleeve pipe completely.
Schematically above be described the present invention and execution mode thereof, this description does not have restricted, and also just one of the embodiments of the present invention shown in accompanying drawing, actual structure is not limited thereto.So, if those of ordinary skill in the art enlightens by it, when not departing from the invention aim, designing the frame mode similar to this technical scheme and embodiment without creationary, all should protection scope of the present invention be belonged to.
Claims (7)
1. a combined transformer low-tension bushing, comprise conducting rod (1) and insulator (3), it is characterized in that: also comprise the first sealing ring (2), second sealing ring (4), base (6) and the first nut (8), described conducting rod (1) one end is one-body molded round platform (102) and connector lug, described connector lug is positioned at round platform (102) top, below sheathed first sealing ring (2) successively of described round platform (102), insulator (3), second sealing ring (4) and base (6), described conducting rod (1) other end is with external screw thread, described the first nut (8) matches with above-mentioned external screw thread, compress base (6), described base (6) comprises orthogonal retained part (601) and mating part (602), the inwall of described mating part (602) matches with conducting rod (1), and the outer wall of described mating part (602) matches with the inwall of insulator (3).
2. a kind of combined transformer low-tension bushing according to claim 1, is characterized in that: the shape of described connector lug is flat, and connector lug is provided with wiring hole (101).
3. a kind of combined transformer low-tension bushing according to claim 2, it is characterized in that: the upper end of described insulator (3) is provided with umbrella shape face (301), the lower end of described insulator (3) is provided with groove (302), and described groove (302) matches with the second sealing ring (4).
4. a kind of combined transformer low-tension bushing according to claim 3, is characterized in that: the material of described base (6) is ambroin.
5. a kind of combined transformer low-tension bushing according to claim 4, is characterized in that: be provided with the first pad (7) between described the first nut (8) and base (6).
6. a kind of combined transformer low-tension bushing according to claim 5, it is characterized in that: the below of described the first nut (8) is disposed with the second pad (9), the 3rd pad (10), the second nut (11) and the 3rd nut (12), described the second pad (9) and the 3rd pad (10) are sheathed on conducting rod (1), and described the second nut (11) and the 3rd nut (12) all match with the external screw thread on conducting rod (1).
7. a kind of combined transformer low-tension bushing according to claim 6, it is characterized in that: described transformer low voltage sleeve pipe is installed on transformer oil tank wall (5), described oil tank wall (5) is positioned between the retained part (601) of the second sealing ring (4) and base (6), and described the second sealing ring (4) and oil tank wall (5) are sealed and matched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310454461.1A CN103456474B (en) | 2013-09-29 | 2013-09-29 | A kind of combined transformer low-tension bushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310454461.1A CN103456474B (en) | 2013-09-29 | 2013-09-29 | A kind of combined transformer low-tension bushing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103456474A CN103456474A (en) | 2013-12-18 |
| CN103456474B true CN103456474B (en) | 2016-03-30 |
Family
ID=49738741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310454461.1A Active CN103456474B (en) | 2013-09-29 | 2013-09-29 | A kind of combined transformer low-tension bushing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103456474B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104200959B (en) * | 2014-09-18 | 2017-02-15 | 国网浙江台州市黄岩区供电公司 | An oil-immersed transformer |
| CN108777222A (en) * | 2018-06-01 | 2018-11-09 | 江苏盖之宝包装科技有限公司 | A kind of bushing shell for transformer |
| CN109545524B (en) * | 2019-01-10 | 2023-12-26 | 天津兴达电气科技有限公司 | Novel transformer sleeve |
| CN118508160B (en) * | 2024-07-18 | 2024-09-13 | 法拉迪电气有限公司 | Voltage regulating device for new energy charging system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4209763A (en) * | 1977-05-16 | 1980-06-24 | Asea Aktiebolag | Induction voltage transformer |
| CN2521727Y (en) * | 2001-01-01 | 2002-11-20 | 李江峰 | Combined transformer low-voltage binding post |
| CN201622920U (en) * | 2010-03-03 | 2010-11-03 | 许�鹏 | Novel enclosed-type gland-free transformer porcelain bushing |
| CN201655511U (en) * | 2010-04-25 | 2010-11-24 | 熊会珍 | Novel anti-ageing and oil-seepage prevention low-voltage transformer bushing |
| WO2012000181A1 (en) * | 2010-06-30 | 2012-01-05 | 特变电工沈阳变压器集团有限公司 | Single phase transformer for super capacity unclear power station |
| CN203481019U (en) * | 2013-09-29 | 2014-03-12 | 丹阳市金诺电器有限公司 | Combined type transformer low-voltage bushing |
-
2013
- 2013-09-29 CN CN201310454461.1A patent/CN103456474B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4209763A (en) * | 1977-05-16 | 1980-06-24 | Asea Aktiebolag | Induction voltage transformer |
| CN2521727Y (en) * | 2001-01-01 | 2002-11-20 | 李江峰 | Combined transformer low-voltage binding post |
| CN201622920U (en) * | 2010-03-03 | 2010-11-03 | 许�鹏 | Novel enclosed-type gland-free transformer porcelain bushing |
| CN201655511U (en) * | 2010-04-25 | 2010-11-24 | 熊会珍 | Novel anti-ageing and oil-seepage prevention low-voltage transformer bushing |
| WO2012000181A1 (en) * | 2010-06-30 | 2012-01-05 | 特变电工沈阳变压器集团有限公司 | Single phase transformer for super capacity unclear power station |
| CN203481019U (en) * | 2013-09-29 | 2014-03-12 | 丹阳市金诺电器有限公司 | Combined type transformer low-voltage bushing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103456474A (en) | 2013-12-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103456474B (en) | A kind of combined transformer low-tension bushing | |
| CN201340770Y (en) | Wall bushing | |
| CN103439548B (en) | The connection box of electric energy meter post of built-in arc spring pad | |
| CN203481019U (en) | Combined type transformer low-voltage bushing | |
| CN103413659B (en) | A kind of combination type 1KV level bushing shell for transformer | |
| CN107181221A (en) | A kind of insulating sleeve and the gas-filling cabinet with the insulating sleeve | |
| CN207587687U (en) | A kind of fuse box for being easily installed fuse | |
| CN205029268U (en) | Deconcentrator | |
| CN203444954U (en) | Combined type 1kV transformer bushing | |
| CN101465522B (en) | Elastic card piece connected with rectangular bus bar and shielding cover as well as bus bar insulated sleeve component | |
| CN205609435U (en) | Insulating pull rod of vacuum circuit breaker of convenient debugging | |
| CN205609426U (en) | High -voltage isolation switch | |
| CN203386588U (en) | Sleeve pipe with high insulating performance | |
| CN204375837U (en) | Battery terminal and storage battery | |
| CN207097628U (en) | A kind of connection terminal structure of bushing shell for transformer | |
| CN203386587U (en) | Sleeve pipe with strong interchangeability | |
| CN215816466U (en) | Special-shaped conductor with anti-drop structure for high-voltage switch | |
| CN205786771U (en) | A kind of electric energy meter table tail | |
| CN201829438U (en) | Static contact mechanism of circuit breaker | |
| CN203386591U (en) | Sleeve pipe capable of being monitored in real time | |
| CN209708766U (en) | A kind of low-loss electronic transformer | |
| CN212209077U (en) | High-voltage dry-type sleeve for box transformer substation | |
| CN203386598U (en) | Low-energy-consumption casing pipe | |
| CN201503810U (en) | Indoor high-voltage vacuum circuit breaker insulation pull rod | |
| CN202888578U (en) | Bidirectional welding socket for high-voltage switch outgoing line |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210426 Address after: No.18, Feiyue Road, industrial concentration zone, Shanghuang Town, Liyang City, Changzhou City, Jiangsu Province Patentee after: Jiangsu Jinnuo Electric Technology Co.,Ltd. Address before: 212300, Jiangsu Province, Zhenjiang City, Danyang Province Lu Town West Fu Village Poplar bridge (Yang Xi No. 64) Patentee before: DANYANG CITY JINNUO ELECTRICAL APPLIANCE Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A combined low voltage bushing for transformer Effective date of registration: 20210526 Granted publication date: 20160330 Pledgee: Jiangsu quanhao Intelligent Electric Co.,Ltd. Pledgor: Jiangsu Jinnuo Electric Technology Co.,Ltd. Registration number: Y2021980003992 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220620 Granted publication date: 20160330 Pledgee: Jiangsu quanhao Intelligent Electric Co.,Ltd. Pledgor: Jiangsu Jinnuo Electric Technology Co.,Ltd. Registration number: Y2021980003992 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |