CN214797044U - Rectangular iron yoke assembly of three-column iron core of transformer - Google Patents
Rectangular iron yoke assembly of three-column iron core of transformer Download PDFInfo
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- CN214797044U CN214797044U CN202022856818.7U CN202022856818U CN214797044U CN 214797044 U CN214797044 U CN 214797044U CN 202022856818 U CN202022856818 U CN 202022856818U CN 214797044 U CN214797044 U CN 214797044U
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Abstract
The utility model discloses a rectangle indisputable yoke subassembly of three post iron cores of transformer, including a plurality of rectangle indisputable yokes that follow horizontal X to range upon range of silicon steel lamination constitution to and set up in the side splint of indisputable yoke both sides and top, punch holder, indisputable yoke intermediate part is the primary sheet that a complete silicon steel lamination constitutes, primary sheet X is secondary piece respectively to a plurality of silicon steel laminations of both sides, and the silicon steel lamination height that is closest to the primary sheet is the same with the primary sheet, and each silicon steel lamination reduces according to the orientation height of keeping away from the primary sheet in all the secondary sheets gradually. The utility model discloses a product compact structure, outward appearance are succinct, and the material saving is showing to have the good advantage of clamping capacity.
Description
Technical Field
The utility model relates to a transformer yoke structure field specifically is a rectangle yoke subassembly of three post iron cores of transformer.
Background
At present, the iron core of the power transformer has a plurality of structures, and most of the three-phase three-column circular yokes, D-shaped yokes and three-phase five-column structures are adopted. The iron core of the power transformer is composed of an iron yoke and a core column, wherein the core column is used for winding a coil, and the iron yoke and the core column are formed by laminating a plurality of silicon steel sheets. The existing power transformer iron core has the problems of large consumption of silicon steel sheets of the iron yoke part and high overall height due to the fact that the iron yoke is matched with the section of the core column.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a rectangle indisputable yoke subassembly of three post iron cores of transformer to there is the problem that the silicon steel sheet quantity is many, occupation space is big in the indisputable yoke portion of solving prior art transformer core.
In order to achieve the above purpose, the utility model discloses the technical scheme who adopts is:
the utility model provides a rectangular yoke subassembly of three post iron cores of transformer which characterized in that: the iron yoke comprises a plurality of rectangular iron yokes formed by silicon steel laminations stacked in the horizontal X direction, side clamping plates arranged on two sides of the iron yokes in the X direction and an upper clamping plate arranged above the iron yokes in the Z direction, the middle parts of the iron yokes are main-stage sheets formed by complete silicon steel laminations, the silicon steel laminations on two sides of each main-stage sheet in the X direction are secondary sheets, at least one silicon steel lamination closest to the main-stage sheet in each side secondary sheet is identical to the main-stage sheet in the Z direction height, each silicon steel lamination in the rest secondary sheets is gradually reduced in the Z direction height in the X direction far away from the main-stage sheet, and X-direction center lines of all the silicon steel laminations are located on the same straight line.
The rectangular iron yoke component of the transformer three-column iron core is characterized in that: the total width of each silicon steel lamination in the iron yoke in the X direction is equal to the width of a core column in the iron core in the X direction.
The rectangular iron yoke component of the transformer three-column iron core is characterized in that: the Z-direction height of each secondary plate in the iron yoke is suddenly reduced, so that a step part is formed between the upper side and the lower side of the Z direction of the adjacent secondary plate.
The rectangular iron yoke component of the transformer three-column iron core is characterized in that: the Z-direction height of each secondary plate in the iron yoke is gradually reduced, so that a smooth curve part is formed between the upper side and the lower side of the Z direction of the adjacent secondary plate.
The rectangular iron yoke component of the transformer three-column iron core is characterized in that: the Z of every side splint is connected to the corresponding side through bolt and punch holder respectively to the upper end, and the one side that every side splint deviates from the iron yoke is close to Z and is fixed with first connecting seat respectively to the upper end position, and every first connecting seat spiral shell closes respectively and has passed first bolted connection head, and first bolted connection head one end is passed the side splint that correspond the side respectively and is stretched into to the space that side splint, punch holder enclose inside, and is connected with first stretching strap between the end that penetrates of first bolted connection head, first stretching strap is crossed the Z of iron yoke and is held between iron yoke and punch holder to the top, and the other end of every bolted connection head closes through the nut spiral shell and locks in the first connecting seat that corresponds.
The rectangular iron yoke component of the transformer three-column iron core is characterized in that: one side of each side clamping plate departing from the iron yoke is close to the Z lower end position and is fixed with a second connecting seat respectively, and each second connecting seat is screwed with the second bolt connector respectively, and the respective one end of the second bolt connectors on two sides is opposite to each other and is connected with a second drawstring between, the second drawstring crosses and hugs closely the Z of iron yoke to the bottom, and the other end of each second bolt connector is screwed with the second connecting seat corresponding in a locking manner through a nut.
The rectangular iron yoke component of the transformer three-column iron core is characterized in that: the side splint of every side are fixed with the insulating piece respectively towards the one side of yoke and are pasted with the corresponding side of yoke mutually, and the side splint of every side deviates from the yoke one side and are fixed with the otic placode respectively.
The utility model discloses in, the rectangle indisputable yoke comprises primary piece and a plurality of secondary piece, and wherein the height of the adjacent part secondary lamella of primary piece is the same with the height of primary piece, and the height of all the other secondary lamellas is reduced gradually for the height of primary piece. Through the structure, under the condition that the sectional area is ensured to be the same as that of the core column, the height of the main-grade sheet can be reduced, the using amount of silicon steel laminations is reduced, the overall height of the transformer is reduced, and the using amounts of steel and transformer oil are reduced, so that the purposes of cost reduction and efficiency improvement are achieved.
The utility model discloses in, the fixed indisputable yoke of centre gripping between punch holder, the side splint to realize the fastening to the indisputable yoke through the stretching strap, have the advantage that clamping capacity is good.
The utility model relates to a rectangle yoke structure for three post iron cores, product compact structure, outward appearance are succinct, and the festival material is showing to have the good advantage of clamping capacity, this product structure is applicable to each type power transformer, has extensive range of application.
Drawings
Fig. 1 is a Y-direction view of the structure of the present invention.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
As shown in fig. 1, a rectangular iron yoke assembly of a transformer three-column core includes a rectangular iron yoke 1 formed by a plurality of silicon steel laminations stacked in a horizontal X direction, side clamping plates 2 disposed on both sides of the iron yoke 1 in the X direction, and an upper clamping plate 3 disposed above the iron yoke 1 in the Z direction, wherein a middle portion of the iron yoke 1 is a main-stage sheet 1.1 formed by complete silicon steel laminations, a plurality of silicon steel laminations on both sides of the main-stage sheet 1.1 in the X direction are secondary sheets 1.2, at least one silicon steel lamination closest to the main-stage sheet in each side of the secondary sheets 1.2 has a same Z-direction height as the main-stage sheet 1.1, each silicon steel lamination in the other secondary sheets 1.2 has a Z-direction height gradually decreasing in the X direction far from the main-stage sheet 1.1, and X-direction center lines of all the silicon steel laminations are located on the same straight line.
The total width of each silicon steel lamination in the iron yoke 1 in the X direction is equal to the width of the core column in the iron core in the X direction. The Z-direction height of each secondary plate 1.2 in the iron yoke 1 is abruptly reduced, so that a step is formed between the Z-direction upper and lower sides of the adjacent secondary plates 1.2. Alternatively, the Z-direction height of each secondary plate 1.2 in the iron yoke 1 gradually decreases, so that a smooth curved portion is formed between the Z-direction upper and lower sides of the adjacent secondary plates 1.2.
The Z upper end of every side splint 2 is connected through the corresponding side of bolt with punch holder 3 respectively, the one side that every side splint 2 deviates from yoke 1 is close to Z upper end position and is fixed with first connecting seat 4.1 respectively, every first connecting seat 4.1 closes to spiral shell respectively and has passed first bolted connection head 5.1, the side splint that first bolted connection head 5.1 one end passed corresponding side respectively stretches into to side splint 2, inside the space that punch holder 3 encloses, and be connected with first stretching strap 6.1 between the end of penetrating of first bolted connection head 5.1, first stretching strap 6.1 crosses the Z of yoke 1 to the top and is centre gripping between yoke 1 and punch holder 3, the other end of every bolted connection head 5.1 closes to spiral shell through the nut spiral shell and locks in corresponding first connecting seat 4.1.
One side of each side clamping plate 2, which deviates from the iron yoke 1, is close to the Z lower end position and is respectively fixed with a second connecting seat 4.2, each second connecting seat 4.2 is respectively screwed and penetrates through a second bolt connector 5.2, one end of each of the second bolt connectors 5.2 on two sides is opposite to each other and is connected with a second pull belt 6.2, the second pull belt 6.2 crosses and clings to the Z bottom of the iron yoke 1, and the other end of each second bolt connector 5.2 is screwed and locked on the corresponding second connecting seat 4.2 through a nut.
The side clamping plate 2 of each side is fixed with insulating piece 7 respectively towards the one side of yoke 1 and pastes with the corresponding side of yoke 1 mutually, and the side clamping plate 2 of each side deviates from yoke 1 and is fixed with otic placode 8 respectively.
The embodiments of the present invention are only descriptions of the preferred embodiments of the present invention, not right the present invention is designed and limited, without departing from the design concept of the present invention, the technical personnel in the field should fall into the protection scope of the present invention for various modifications and improvements made by the technical solution of the present invention, and the technical contents of the present invention are all recorded in the claims.
Claims (7)
1. The utility model provides a rectangular yoke subassembly of three post iron cores of transformer which characterized in that: the iron yoke comprises a plurality of rectangular iron yokes formed by silicon steel laminations stacked in the horizontal X direction, side clamping plates arranged on two sides of the iron yokes in the X direction and an upper clamping plate arranged above the iron yokes in the Z direction, the middle parts of the iron yokes are main-stage sheets formed by complete silicon steel laminations, the silicon steel laminations on two sides of each main-stage sheet in the X direction are secondary sheets, at least one silicon steel lamination closest to the main-stage sheet in each side secondary sheet is identical to the main-stage sheet in the Z direction height, each silicon steel lamination in the rest secondary sheets is gradually reduced in the Z direction height in the X direction far away from the main-stage sheet, and X-direction center lines of all the silicon steel laminations are located on the same straight line.
2. The rectangular yoke assembly of a transformer three-limb core of claim 1, wherein: the total width of each silicon steel lamination in the iron yoke in the X direction is equal to the width of a core column in the iron core in the X direction.
3. The rectangular yoke assembly of a transformer three-limb core of claim 1, wherein: the Z-direction height of each secondary plate in the iron yoke is suddenly reduced, so that a step part is formed between the upper side and the lower side of the Z direction of the adjacent secondary plate.
4. The rectangular yoke assembly of a transformer three-limb core of claim 1, wherein: the Z-direction height of each secondary plate in the iron yoke is gradually reduced, so that a smooth curve part is formed between the upper side and the lower side of the Z direction of the adjacent secondary plate.
5. The rectangular yoke assembly of a transformer three-limb core of claim 1, wherein: the Z of every side splint is connected to the corresponding side through bolt and punch holder respectively to the upper end, and the one side that every side splint deviates from the iron yoke is close to Z and is fixed with first connecting seat respectively to the upper end position, and every first connecting seat spiral shell closes respectively and has passed first bolted connection head, and first bolted connection head one end is passed the side splint that correspond the side respectively and is stretched into to the space that side splint, punch holder enclose inside, and is connected with first stretching strap between the end that penetrates of first bolted connection head, first stretching strap is crossed the Z of iron yoke and is held between iron yoke and punch holder to the top, and the other end of every bolted connection head closes through the nut spiral shell and locks in the first connecting seat that corresponds.
6. The rectangular yoke assembly of a transformer three-limb core of claim 1, wherein: one side of each side clamping plate departing from the iron yoke is close to the Z lower end position and is fixed with a second connecting seat respectively, and each second connecting seat is screwed with the second bolt connector respectively, and the respective one end of the second bolt connectors on two sides is opposite to each other and is connected with a second drawstring between, the second drawstring crosses and hugs closely the Z of iron yoke to the bottom, and the other end of each second bolt connector is screwed with the second connecting seat corresponding in a locking manner through a nut.
7. The rectangular yoke assembly of a transformer three-limb core of claim 1, wherein: the side splint of every side are fixed with the insulating piece respectively towards the one side of yoke and are pasted with the corresponding side of yoke mutually, and the side splint of every side deviates from the yoke one side and are fixed with the otic placode respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022856818.7U CN214797044U (en) | 2020-12-01 | 2020-12-01 | Rectangular iron yoke assembly of three-column iron core of transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022856818.7U CN214797044U (en) | 2020-12-01 | 2020-12-01 | Rectangular iron yoke assembly of three-column iron core of transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214797044U true CN214797044U (en) | 2021-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022856818.7U Active CN214797044U (en) | 2020-12-01 | 2020-12-01 | Rectangular iron yoke assembly of three-column iron core of transformer |
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| Country | Link |
|---|---|
| CN (1) | CN214797044U (en) |
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- 2020-12-01 CN CN202022856818.7U patent/CN214797044U/en active Active
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