CN205984514U - Flange of large capacity transformer welds dress structure - Google Patents
Flange of large capacity transformer welds dress structure Download PDFInfo
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- CN205984514U CN205984514U CN201521103073.XU CN201521103073U CN205984514U CN 205984514 U CN205984514 U CN 205984514U CN 201521103073 U CN201521103073 U CN 201521103073U CN 205984514 U CN205984514 U CN 205984514U
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- flange disk
- power transformer
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- welding structure
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Abstract
The utility model provides a flange of large capacity transformer welds dress structure, including first ring flange, the second ring flange, first ring flange with the second ring flange passes through the fastener and connects, the setting is in the fastener top with between the first ring flange, will the fastener with the first insulation part of first ring flange insulated isolation, the setting is in first ring flange with between the contact surface of second ring flange, will first ring flange with the insulating part of second of second ring flange insulated isolation. The flange that it provided to use this application welds the dress structure and can eliminate the circulation in the transformer pipeline, reduces transformer low voltage side local overheat, improves the insulating properties of transformer.
Description
Technical field
A kind of this utility model is related to technical field of transformer manufacturing and in particular to flange of high-power transformer is welded knot
Structure.
Background technology
With the construction energetically of China's power system, the demand of Large Copacity high-voltage power transformator also grows at top speed.
After the capacity of transformator becomes big, the rated current of step down side also increases therewith, leads to the knot near high current
Larger alternating magnetic field is produced in component.If insulating structure design is improper in the structural member near high current, can easily exist
In the pipeline of step down side formed circulation, thus leading to step down side hot-spot, impact transformator temperature rise and
Transformer performance.
Utility model content
In view of this, this utility model provides a kind of flange welding structure of high-power transformer, and this structural insulation is strong,
Can circulation in eliminating transformer pipeline, reduce step down side hot-spot, improve the insulating properties of transformator.
For achieving the above object, this utility model provides following technical scheme：
A kind of flange welding structure of high-power transformer, including：
It is arranged on the first flange disk on step down side the first pipeline one end；
It is arranged on the second flange disk on step down side the second pipeline one end；Described first flange disk and described second
Ring flange is connected by securing member；The top of described securing member connects described first flange disk, and bottom connects described second flange
Disk；
It is arranged between described fastener tip and described first flange disk, by described securing member and described first flange disk
The first insulating element being dielectrically separated from；
It is arranged between described first flange disk and the contact surface of described second flange disk, by described first flange disk and institute
State the second insulating element that second flange disk is dielectrically separated from.
Preferably, described securing member includes：
Sequentially pass through the bolt of described first flange disk and described second flange disk；
The nut being fastenedly connected with described bolt bottom.
Preferably, described first flange disk includes：
It is enclosed within the through hole on described bolt.
Preferably, described first insulating element includes：
It is arranged in described through hole, is enclosed within described bolt, described bolt and described first flange disk are dielectrically separated from
Insulation tube.
Preferably, described first insulating element includes：
It is arranged between described bolt and described first flange disk, by the of described bolt and the insulation of described first flange disk
One insulating pad.
Preferably, including：
It is arranged on the seal groove between described first flange disk and described second flange disk.
Preferably, described second insulating element includes：
It is arranged on the seal washer in described seal groove.
Preferably, described second insulating element includes：
Be arranged between described first flange disk and described second flange disk contact surface, by described first flange disk with described
Second insulating pad of second flange disk insulation.
Preferably, also include：
It is arranged on the insulating washer between described nut and described second flange disk.
Preferably, described first insulating pad and described second insulating pad are made up of epoxy phenolic laminated glass fabric plate,
Described insulation tube is made up of epoxy novolac laminated glass stringing.
The flange welding structure of the high-power transformer being provided based on technique scheme, this utility model, main inclusion
It is arranged on the first flange disk on step down side first pipeline, be arranged on the second method on step down side second pipeline
Blue disk, connects the securing member of first flange disk and second flange disk, and be arranged between securing member and first flange disk first is exhausted
Edge part and the second insulating element being arranged between first flange disk and second flange disk are constituted.Will by the first insulating element
Insulate between securing member and first flange disk, then the contact surface making first flange disk and second flange disk by the second insulating element
Between insulate, and then ensure not to be electrically connected between the ring flange in the first pipeline and the second pipeline, also will not be by fastening
Part causes to be electrically connected the insulating properties it is achieved that high, eliminates the circulation in transformer low voltage lateral line, reduces transformator
Low-pressure side hot-spot, thus reducing supplementary transformer loss, reducing the temperature rise of transformator, improving the performance of transformator.
Brief description
In order to be illustrated more clearly that this utility model or technical scheme of the prior art, below will be to embodiment or existing
Technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description are only this reality
With new embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can also root
Obtain other accompanying drawings according to the accompanying drawing providing.
A kind of structural representation of the flange welding structure of high-power transformer that Fig. 1 provides for this utility model；
A kind of second structural representation of the flange welding structure of high-power transformer that Fig. 2 provides for this utility model.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model, the technical scheme in this utility model is carried out clearly and completely
Description is it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole embodiments.It is based on
Embodiment in this utility model, it is all that those of ordinary skill in the art are obtained under the premise of not making creative work
Other embodiment, broadly falls into the scope of this utility model protection.
A kind of structural representation of the flange welding structure of high-power transformer that Fig. 1 provides for this utility model, reference
Fig. 1, the flange welding structure of this high-power transformer can include：
First flange disk 1；
Second flange disk 2；
Securing member 3；
First insulating element 4；
Second insulating element 5；
Wherein, first flange disk 1 is arranged on one end port of the first pipeline S1 of step down side, and ring flange
2 are arranged on one end port of the second pipeline S2 of step down side.First pipeline S1 and the second pipeline S2 passes through the first method
Blue disk 1 and second flange disk 2 connect, and first flange disk 1 and second flange disk 2 are connected by securing member 3.Securing member 3 passes through the
One ring flange 1 and the body of second flange disk 2, make the top of securing member 3 be connected with first flange disk 1, bottom and second flange
Disk 2 connects.
First insulating element 4 is set between the top of securing member 3 and first flange disk 1, by arranging the first insulation division
Securing member 3 is dielectrically separated from by part 4 with first flange disk 1.
Second insulating element is set between the contact surface of first flange disk 1 and second flange disk 2, make first flange disk with
It is dielectrically separated between the contact surface of second flange disk, realized insulated contact.
The flange welding structure of the high-power transformer that this utility model provides, main inclusion is arranged on step down side
First flange disk on first pipeline, is arranged on the second flange disk on step down side second pipeline, connects first flange
Disk and the securing member of second flange disk, are arranged on the first insulating element between securing member and first flange disk and are arranged on first
The second insulating element between ring flange and second flange disk is constituted.By the first insulating element by securing member and first flange disk
Between insulate, then insulation is made between first flange disk and the contact surface of second flange disk by the second insulating element, and then guarantee
It is not electrically connected between ring flange in first pipeline and the second pipeline, also will not cause to be electrically connected by securing member, real
Show high insulating properties, eliminated the circulation in transformer low voltage lateral line, reduce step down side hot-spot, thus
Reduce supplementary transformer loss, reduce the temperature rise of transformator, improve the performance of transformator.
Refer to Fig. 2, Fig. 2 is flange welding structure second structural representation of the high-power transformer that this utility model provides
Figure.Securing member in the present embodiment includes bolt 301 and nut 302, and bolt 301 sequentially passes through first flange disk 1 and the second method
First flange disk is linked together with second flange disk by clamp nut 302 by blue disk 2 in the bottom of second flange disk 2.Right
Answer, through hole is opened up on first flange disk and second flange disk, on screw bolt passes first flange disk and second flange disk
Through hole.
Preferably, the first insulating element includes insulation tube 401, and insulation tube 401 is arranged in through hole on first flange disk 1
Portion, is enclosed within bolt 301.Insulation tube 401 is enclosed within the bolt part making to be in first flange disk 1 on bolt 301 and the first method
It is dielectrically separated between blue disk 1, be no electrically connected.
Further, also include the first insulating pad 402 in the first insulating element, the first insulating pad 402 is arranged on spiral shell
Between bolt 301 and first flange disk 1 top, make the top insulation of bolt 301 and first flange disk 1.
Thus, can achieve the insulation between bolt and first flange disk by arranging insulation tube and the first insulating pad.
It is tightly connected by arranging seal groove between first flange disk 1 and second flange disk 2.Second insulating element 5 includes
Seal washer 501 and the second insulating pad 502.Wherein, seal washer 501 is made up of oil resistant rubber, pads inside seal groove, and one
Aspect can achieve the sealing in seal groove, on the other hand can achieve the insulation in seal groove.First insulating pad 502 is arranged on
Between one ring flange 1 and the contact surface of second flange disk 2, first flange disk 1 and second be can achieve by the second insulating pad 502
Insulation between the contact surface of ring flange 2.
Insulating washer 6, one side clamp nut can be set between nut and second flange tray bottom, on the other hand increase
Insulating properties.
In the present embodiment, the first insulating pad and the second insulating pad are made up of epoxy phenolic laminated glass fabric plate, insulation tube
It is made up of epoxy novolac laminated glass stringing.Epoxy phenolic laminated glass fabric plate and epoxy novolac laminated glass stringing are all with no
The leaching of alkali glass cloth, with epoxy phenolics, bakees through hot rolling and forms.It has high mechanical performance, heat-resisting and dielectric properties, special
Be applied to power transformer equipment, do not make insulation system parts, and and can make in transformer oil under moist environmental conditions
With.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or new using this practicality
Type.Multiple modifications to these embodiments will be apparent from for those skilled in the art, is determined herein
The General Principle of justice can be realized in the case of without departing from spirit or scope of the present utility model in other embodiments.Cause
This, this utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The wide scope consistent with features of novelty.
Claims (10)
1. a kind of flange welding structure of high-power transformer is it is characterised in that include：
It is arranged on the first flange disk on step down side the first pipeline one end；
It is arranged on the second flange disk on step down side the second pipeline one end；Described first flange disk and described second flange
Disk is connected by securing member；The top of described securing member connects described first flange disk, and bottom connects described second flange disk；
It is arranged between described fastener tip and described first flange disk, by described securing member and described first flange disk insulation
First insulating element of isolation；
It is arranged between described first flange disk and the contact surface of described second flange disk, by described first flange disk and described the
The second insulating element that two ring flanges are dielectrically separated from.
2. the flange welding structure of high-power transformer according to claim 1 is it is characterised in that described securing member bag
Include：
Sequentially pass through the bolt of described first flange disk and described second flange disk；
The nut being fastenedly connected with described bolt bottom.
3. the flange welding structure of high-power transformer according to claim 2 is it is characterised in that described first flange disk
Including：
It is enclosed within the through hole on described bolt.
4. the flange welding structure of high-power transformer according to claim 3 is it is characterised in that described first insulation division
Part includes：
It is arranged in described through hole, be enclosed within described bolt, the insulation that described bolt is dielectrically separated from described first flange disk
Pipe.
5. the flange welding structure of high-power transformer according to claim 4 is it is characterised in that described first insulation division
Part includes：
Be arranged between described bolt and described first flange disk, by described bolt and described first flange disk insulate first exhausted
Edge backing plate.
6. the flange welding structure of high-power transformer according to claim 5 is it is characterised in that include：
It is arranged on the seal groove between described first flange disk and described second flange disk.
7. the flange welding structure of high-power transformer according to claim 6 is it is characterised in that described second insulation division
Part includes：
It is arranged on the seal washer in described seal groove.
8. the flange welding structure of high-power transformer according to claim 7 is it is characterised in that described second insulation division
Part includes：
It is arranged between described first flange disk and described second flange disk contact surface, by described first flange disk and described second
Second insulating pad of ring flange insulation.
9. the flange welding structure of high-power transformer according to claim 8 is it is characterised in that also include：
It is arranged on the insulating washer between described nut and described second flange disk.
10. the flange welding structure of high-power transformer according to claim 9 is it is characterised in that described first insulate
Backing plate is made up of epoxy phenolic laminated glass fabric plate with described second insulating pad, and described insulation tube is by epoxy novolac laminated glass
Stringing is constituted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521103073.XU CN205984514U (en) | 2015-12-29 | 2015-12-29 | Flange of large capacity transformer welds dress structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521103073.XU CN205984514U (en) | 2015-12-29 | 2015-12-29 | Flange of large capacity transformer welds dress structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205984514U true CN205984514U (en) | 2017-02-22 |
Family
ID=58018575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521103073.XU Active CN205984514U (en) | 2015-12-29 | 2015-12-29 | Flange of large capacity transformer welds dress structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205984514U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061895A (en) * | 2017-05-23 | 2017-08-18 | 天津龙浩峰瑞科技有限公司 | Fastening structure in a kind of ring flange |
| CN108468897A (en) * | 2018-05-31 | 2018-08-31 | 辽宁华燃燃气设备有限公司 | A kind of efficient natural gas directed flow heating system |
-
2015
- 2015-12-29 CN CN201521103073.XU patent/CN205984514U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061895A (en) * | 2017-05-23 | 2017-08-18 | 天津龙浩峰瑞科技有限公司 | Fastening structure in a kind of ring flange |
| CN108468897A (en) * | 2018-05-31 | 2018-08-31 | 辽宁华燃燃气设备有限公司 | A kind of efficient natural gas directed flow heating system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |