CN110211805A - Bushing shell for transformer oiling tool - Google Patents
Bushing shell for transformer oiling tool Download PDFInfo
- Publication number
- CN110211805A CN110211805A CN201910566899.6A CN201910566899A CN110211805A CN 110211805 A CN110211805 A CN 110211805A CN 201910566899 A CN201910566899 A CN 201910566899A CN 110211805 A CN110211805 A CN 110211805A
- Authority
- CN
- China
- Prior art keywords
- link block
- transformer
- casing
- bushing shell
- runner
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/12—Insulating of windings
- H01F41/127—Encapsulating or impregnating
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
- H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Insulators (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The present invention provides a kind of bushing shell for transformer oiling tool, belong to technical field of transformer equipment, including link block, snorkel, the first check valve and valve, be equipped in link block for receive casing and into casing oiling runner；One end of snorkel passes through link block and protrudes into runner, and the other end is located at outside link block, for being passed through inert gas into casing；First check valve is set on link block, and is located at the top of snorkel, for the gas unidirectional outflow in casing；Valve is set on link block, and it is turned on or off with oil inlet for controlling runner, bushing shell for transformer provided by the invention oiling tool, during injecting insulating oil to casing in this way, always casing and runner are filled with by inert gas, humid air is not had to enter in casing, ensure that the good insulating properties of insulating oil.
Description
Technical field
The invention belongs to technical field of transformer equipment, are to be related to a kind of bushing shell for transformer oilman more specifically
Tool.
Background technique
Electric power enterprise service personnel is when carrying out maintenance repairing to bushing shell for transformer, it will usually open the progress of casing oil filler point
Oiling, extraneous moisture so as to cause the decreasing insulating of insulating oil, can influence the safety of equipment in sleeve pipe when oiling
Operation.
Summary of the invention
The purpose of the present invention is to provide a kind of bushing shell for transformer oiling tool, with solve it is existing in the prior art to
In bushing shell for transformer when oiling, moisture enters in casing the technical issues of influencing insulating oil performance.
To achieve the above object, the technical solution adopted by the present invention is that: a kind of bushing shell for transformer oiling tool is provided, wrap
It includes:
Link block, it is interior be equipped with for receive casing and into casing oiling runner；
Snorkel, one end pass through the link block protrude into the runner, the other end is located at outside the link block, be used for
Inert gas is passed through in casing；
First check valve is set on the link block, and is located at the top of the snorkel, for the gas list in casing
To outflow；
Valve is set on the link block, and is turned on or off with oil inlet for controlling the runner.
Further, the inner wall of the runner be pyramidal structure, the cross-sectional area of the pyramidal structure from top to bottom by
It is cumulative big.
Further, the inner wall of the runner is equipped with the sealing ring for forming sealing structure with the outer wall of casing.
Further, the lower end surface of link block annular relief with outward extension, the annular relief
Inner wall is equipped with the annular groove being coupled for the outer rim with described sleeve pipe.
Further, the annular relief is rubber material product.
Further, the annular groove is multiple, and is uniformly arranged from top to bottom.
Further, the snorkel is located at one section of outer wall outside the link block equipped with external screw thread, the snorkel
It is fixedly connected with the link block by nut.
Further, bushing shell for transformer oiling tool further include:
Connecting tube, downside outer wall are connect with the inner thread of the runner；
The valve is fixed at the upper end tube nozzle of the connecting tube.
Further, the connecting tube is equipped with the second one-way valve unidirectionally flowed out for the air in casing.
Further, the outer wall of the link block is equipped with the groove held for staff.
Further, the link block is isolation material product.
Bushing shell for transformer provided by the invention is with the beneficial effect of oiling tool: compared with prior art, the present invention
Flowing channel sleeve on link block is set on bushing shell for transformer by bushing shell for transformer oiling tool, and the lower end of snorkel passes to casing
Then inside is first passed through the inert gas that sealing is greater than air into snorkel, occupies inert gas in casing from bottom to top
Space, and original air is discharged from check valve, opens the valve on runner top later, inject by runner into casing exhausted
Edge oil, the interior inert gas squeezed of insulating oil sprue bushing is gradually discharged from check valve, exhausted to casing injection in this way
During edge oil, casing and runner are filled with by inert gas always, humid air is not had and enters in casing, guaranteed
The good insulating properties of insulating oil.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without creative efforts, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is the structural schematic diagram of bushing shell for transformer oiling tool provided in an embodiment of the present invention；
Fig. 2 is that there are two the structural representations of the bushing shell for transformer oiling tool of annular groove for tool provided in an embodiment of the present invention
Figure；
Fig. 3 is the usage state diagram one of bushing shell for transformer oiling tool provided in an embodiment of the present invention；
Fig. 4 is the usage state diagram two of bushing shell for transformer oiling tool provided in an embodiment of the present invention.
Wherein, each appended drawing reference in figure:
1- link block；11- runner；111- sealing ring；The first check valve of 12-；13- annular relief；131- annular groove；
14- groove；2- snorkel；21- nut；3- valve；4- connecting tube；41- second one-way valve；42- liquidometer；5- casing.
Specific embodiment
In order to which technical problems, technical solutions and advantages to be solved are more clearly understood, tie below
Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
Fig. 1 and Fig. 3 are please referred to, now bushing shell for transformer provided by the invention is illustrated with oiling tool.A kind of transformation
Device covers effective oilman tool, including link block 1, snorkel 2, the first check valve 12 and valve 3, is equipped with and is used in link block 1
Receive casing 5 and into casing 5 oiling runner 11；One end of snorkel 2 passes through link block 1 and protrudes into runner 11, the other end
Outside link block 1, for being passed through inert gas into casing 5；First check valve 12 is set on link block 1, and is located at ventilation
The top of pipe 2, for the gas unidirectional outflow in casing 5；Valve 3 be set to link block 1 on, and with for control runner 11 into
Hydraulic fluid port turns on or off.
Bushing shell for transformer provided by the invention oiling tool, compared with prior art, by 11 sets of runner on link block 1
On bushing shell for transformer 5, the lower end of snorkel 2 is passed to inside casing 5, and sealing is then first passed through into snorkel 2 and is greater than sky
The inert gas of gas makes inert gas occupy the space in casing 5 from bottom to top, and original air is discharged from check valve, it
The valve 3 for opening 11 top of runner afterwards injects insulating oil into casing 5 by runner 11, squeezes in insulating oil sprue bushing 5
Inert gas is gradually discharged from check valve, during injecting insulating oil to casing 5 in this way, always by inert gas
It is filled with casing 5 and runner 11, humid air is not had and enters in casing 5, ensure that the good insulating properties of insulating oil.
Flowmeter can be set on snorkel 2, convenient for controlling the flow for being passed through gas, the volume of casing 5 and runner 11
It determines, the inert gas being passed through can determine that inert gas is complete by original gas when being greater than the sum of casing 5 and the volume of runner 11
It is expelled from entirely.It can also be remained during oiling and be passed through inert gas, effect is higher.View can be set on link block 1
Mirror, convenient for observing the injection situation of 5 interior insulation of casing oil.Snorkel 2 is connected to the compressed gas source for accommodating inert gas, and logical
Ball valve is set on tracheae 2, convenient for being turned on or off the working condition of snorkel 2.Argon gas or Krypton can be used in inert gas
Deng.
Fig. 1 and Fig. 3 are please referred to, a kind of specific embodiment party as bushing shell for transformer provided by the invention oiling tool
The inner wall of formula, runner 11 is pyramidal structure, and the cross-sectional area of pyramidal structure is gradually increased from top to bottom, and runner 11 is set as boring
Big mouth is opened in shape structure, the lower end of runner 11, and the upper end of casing 5 stretches in runner 11, and the top of casing 5 and pyramidal structure
Inner wall abut, and under the gravity of link block 1, stable is set on casing 5.The upper end of runner 11 is arranged in valve 3,
The opening and closing of runner 11 are controlled, insulating oil enters from the osculum of runner 11, injection can be facilitated to insulate with alignment sleeve 5
Oil.
Fig. 1 and Fig. 3 are please referred to, a kind of specific embodiment party as bushing shell for transformer provided by the invention oiling tool
Formula, the inner wall of runner 11 are equipped with the sealing ring 111 for forming sealing structure with the outer wall of casing 5, the runner on link block 1
11 are covered on casing 5, are connected to the upper end of casing 5 or outer wall on the inner wall of runner 11, and sealing ring 111 is arranged in runner
On 11 inner wall, and sealing structure is formed with casing 5, first is that can preferably prevent ambient atmos from entering runner 11 and casing 5
It is interior；Second is that having some insulating oils after insulating oil enters runner 11 and being left along 11 inner wall of runner, sealing ring 111 can effectively hinder
Keep off insulating oil leakage.Sealing ring 111 may be configured as multiple, and sets gradually from top to bottom, makes a variety of various sizes of casings 5
It can be contacted with the sealing ring 111 on 11 inner wall of runner and form sealing structure.
It please refers to Fig.1 to Fig.3, a kind of specific embodiment party as bushing shell for transformer provided by the invention oiling tool
Formula, the lower end surface of link block 1 annular relief 13 with outward extension, the inner wall of annular relief 13 be equipped with for set
The annular groove 131 that the outer rim of pipe 5 is coupled, the outer wall of casing 5 are equipped with multiple flanges, therefore annular relief 13 is arranged and exists
The lower end of link block 1, and annular groove 131 is set on the inner wall of annular relief 13, when link block 1 and casing 5 are installed,
The flange of 5 outer wall of casing is connected in annular groove 131, is stably installed at link block 1 on casing 5, even without hand steered
Link block 1, can the oiling into runner 11.
It please refers to Fig.1 to Fig.3, a kind of specific embodiment party as bushing shell for transformer provided by the invention oiling tool
Formula, annular relief 13 are rubber material product, annular relief 13 are made using rubber material, will be on 5 outer wall of casing
When flange is stuck in annular groove 131, directly the flange of 5 outer wall of casing can be filled in annular relief 13, due to rubber material
With elasticity, therefore installation is more convenient, and under the elastic reaction of rubber material, and casing 5 and the connection of link block 1 are more
Stablize.It can also set annular relief 13 to opposite opened structure, and card slot and fixture block is respectively set on corresponding side, just
It is connected in securely.
Fig. 2 and Fig. 4 are please referred to, a kind of specific embodiment party as bushing shell for transformer provided by the invention oiling tool
Formula, annular groove 131 is multiple, and is uniformly arranged from top to bottom, and multiple flanges are provided on the outer wall of casing 5, multiple rings are arranged
Shape slot 131 can be clamped multiple flanges and annular groove 131 simultaneously, further increase casing when installing casing 5 and link block 1
5 with the stability of link block 1.
Referring to Fig. 1, a kind of specific embodiment as bushing shell for transformer provided by the invention oiling tool, ventilation
Pipe 2 is located at one section of outer wall outside link block 1 equipped with external screw thread, and snorkel 2 is fixedly connected with link block 1 by nut 21, leads to
Tracheae 2 passes through after link block 1 enters in runner 11, extends downward into casing 5, for prevent connecting tube 4 unexpected completely into
Into casing 5, external screw thread is set on 2 outer wall of snorkel, after snorkel 2 is fit into casing 5, will be ventilated using nut 21
Pipe 2 and the outer wall of link block 1 are fastenedly connected, and prevent snorkel 2 from slided into casing 5 completely.
Fig. 1 and Fig. 3 are please referred to, a kind of specific embodiment party as bushing shell for transformer provided by the invention oiling tool
Formula, bushing shell for transformer oiling tool further include connecting tube 4, and the downside outer wall of connecting tube 4 is connect with the inner thread of runner 11；
Valve 3 is fixed at the upper end tube nozzle of connecting tube 4, and connecting tube 4 is arranged, insulating oil is made to first pass through connecting tube 4, the company of entering back into
It connects in the runner 11 of block 1, the nozzle of connecting tube 4 is smaller, convenient for connecting with oiling device.And it can will be exhausted by connecting tube 4
Edge oil is steadily introduced into runner 11, keeps oiling process more steady.It can be arranged on the end face that connecting tube 4 protrudes into runner 11
Liquidometer 42, liquidometer 42 extend downwardly the liquid level of the insulating oil in detection casing 5, and the outer wall of connecting tube 4 is equipped with mounting groove,
Liquidometer 42 is installed in mounting groove, and is extended downwardly.It may also set up external screw thread on the outer wall of connecting tube 4, and use nut 21
Connecting tube 4 is fixedly connected with link block 1.
Fig. 1 and Fig. 3 are please referred to, a kind of specific embodiment party as bushing shell for transformer provided by the invention oiling tool
Formula, connecting tube 4 are equipped with the second one-way valve 41 unidirectionally flowed out for the air in casing 5, and it is single that second is arranged in connecting tube 4
To valve 41, when being passed through inert gas into casing 5 by snorkel 2, air in connecting tube 4 is from second one-way valve 41
Interior discharge makes also to be full of by inert gas in connecting tube 4.In addition, term " first ", " second " are used for description purposes only, without
It can be interpreted as indication or suggestion relative importance or implicitly indicate the quantity of indicated technical characteristic.Define as a result, " the
One ", the feature of " second " can explicitly or implicitly include one or more of the features.In the description of the present invention,
The meaning of " plurality " is two or more, unless otherwise specifically defined.
Fig. 1 and Fig. 3 are please referred to, a kind of specific embodiment party as bushing shell for transformer provided by the invention oiling tool
Formula, the outer wall of link block 1 are equipped with the groove 14 held for staff, and groove 14 is set as ring structure, are convenient for work
Personnel hold in the groove 14 on link block 1, and guarantee link block 1 is stably placed on casing 5, settable rubber in groove 14
Rubber mat increases the frictional force of hand and groove 14.
It please refers to Fig.1 to Fig.3, a kind of specific embodiment party as bushing shell for transformer provided by the invention oiling tool
Formula, link block are isolation material product, and link block is made using isolation material, first is that lighter weight, uses convenient for staff；
Second is that it is higher using safety between insulation on transformer, it is possible to prevente effectively from Danger Electric shock risk, improves the work peace of staff
Overall coefficient.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within principle.
Claims (11)
1. bushing shell for transformer oiling tool characterized by comprising
Link block, it is interior be equipped with for receive casing and into casing oiling runner；
Snorkel, one end pass through the link block and protrude into the runner, and the other end is located at outside the link block, are used for casing
Inside it is passed through inert gas；
First check valve is set on the link block, and is located at the top of the snorkel, for the gas unidirectional stream in casing
Out；
Valve is set on the link block, and is turned on or off with oil inlet for controlling the runner.
2. bushing shell for transformer as described in claim 1 oiling tool, which is characterized in that the inner wall of the runner is taper knot
The cross-sectional area of structure, the pyramidal structure is gradually increased from top to bottom.
3. bushing shell for transformer as claimed in claim 2 oiling tool, which is characterized in that the inner wall of the runner, which is equipped with, to be used
In the sealing ring for forming sealing structure with the outer wall of casing.
4. bushing shell for transformer as described in claim 1 oiling tool, which is characterized in that the lower end surface of the link block is equipped with
Outwardly extending annular relief, the inner wall of the annular relief is equipped with to be coupled for the outer rim with described sleeve pipe
Annular groove.
5. bushing shell for transformer as claimed in claim 4 oiling tool, which is characterized in that the annular relief is rubber material
Matter product.
6. bushing shell for transformer as claimed in claim 4 oiling tool, which is characterized in that the annular groove is multiple, and from
It is uniformly arranged under above.
7. bushing shell for transformer as described in claim 1 oiling tool, which is characterized in that the snorkel is located at the connection
One section of outer wall outside block is equipped with external screw thread, and the snorkel is fixedly connected with the link block by nut.
8. bushing shell for transformer as described in claim 1 oiling tool, which is characterized in that the bushing shell for transformer oilman
Tool further include:
Connecting tube, downside outer wall are connect with the inner thread of the runner；
The valve is fixed at the upper end tube nozzle of the connecting tube.
9. bushing shell for transformer as claimed in claim 8 oiling tool, which is characterized in that the connecting tube is equipped with for covering
The second one-way valve that air in pipe unidirectionally flows out.
10. bushing shell for transformer as described in claim 1 oiling tool, which is characterized in that set on the outer wall of the link block
There is the groove held for staff.
11. bushing shell for transformer as described in claim 1 oiling tool, which is characterized in that the link block is isolation material
Product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910566899.6A CN110211805B (en) | 2019-06-27 | 2019-06-27 | Oiling tool for transformer bushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910566899.6A CN110211805B (en) | 2019-06-27 | 2019-06-27 | Oiling tool for transformer bushing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110211805A true CN110211805A (en) | 2019-09-06 |
| CN110211805B CN110211805B (en) | 2022-03-01 |
Family
ID=67794847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910566899.6A Active CN110211805B (en) | 2019-06-27 | 2019-06-27 | Oiling tool for transformer bushing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110211805B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112802654A (en) * | 2020-12-30 | 2021-05-14 | 宝亨新电气（集团）有限公司 | Novel embedded type transformer low-voltage sleeve |
| CN113053638A (en) * | 2021-03-26 | 2021-06-29 | 国家电网有限公司直流建设分公司 | Converter transformer valve side outlet device |
| CN115985655A (en) * | 2023-03-15 | 2023-04-18 | 保定天威保变电气股份有限公司 | Voltage-regulating phase-modulating transformer for power distribution network |
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| CN108195627A (en) * | 2018-03-08 | 2018-06-22 | 云南电网有限责任公司电力科学研究院 | The hermetically sealed oil taking apparatus and method of a kind of bushing shell for transformer |
| CN208385976U (en) * | 2018-06-28 | 2019-01-15 | 国网天津市电力公司 | A kind of transformer high-voltage bushing vacuum oil dedicated unit |
| CN109273209A (en) * | 2018-09-26 | 2019-01-25 | 云南电网有限责任公司电力科学研究院 | A kind of bushing shell for transformer is hermetically sealed to be filled oil taking apparatus and fills method for extracting oil |
| CN109859943A (en) * | 2019-03-29 | 2019-06-07 | 江苏神马电力股份有限公司 | A kind of sheath assembly and bushing shell for transformer being homogenized electric field |
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2019
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| GB1033563A (en) * | 1961-10-10 | 1966-06-22 | Ass Elect Ind | Improvements in and relating to insulator bushings |
| JP2000223322A (en) * | 1999-01-29 | 2000-08-11 | Showa Electric Wire & Cable Co Ltd | Transformer |
| JP2002025371A (en) * | 2000-07-13 | 2002-01-25 | Toshiba Corp | Bushing |
| JP2007012723A (en) * | 2005-06-28 | 2007-01-18 | Chubu Electric Power Co Inc | Gasket auxiliary packing of pole transformer primary bushing |
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| CN109859943A (en) * | 2019-03-29 | 2019-06-07 | 江苏神马电力股份有限公司 | A kind of sheath assembly and bushing shell for transformer being homogenized electric field |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112802654A (en) * | 2020-12-30 | 2021-05-14 | 宝亨新电气（集团）有限公司 | Novel embedded type transformer low-voltage sleeve |
| CN112802654B (en) * | 2020-12-30 | 2022-07-15 | 宝亨新电气（集团）有限公司 | Embedded transformer low-voltage bushing |
| CN113053638A (en) * | 2021-03-26 | 2021-06-29 | 国家电网有限公司直流建设分公司 | Converter transformer valve side outlet device |
| CN113053638B (en) * | 2021-03-26 | 2024-03-12 | 国家电网有限公司直流建设分公司 | Valve side outlet device of converter transformer |
| CN115985655A (en) * | 2023-03-15 | 2023-04-18 | 保定天威保变电气股份有限公司 | Voltage-regulating phase-modulating transformer for power distribution network |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110211805B (en) | 2022-03-01 |
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