CN212810026U - Large-scale power transformer coil pressure equipment cushion structure - Google Patents
Large-scale power transformer coil pressure equipment cushion structure Download PDFInfo
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- CN212810026U CN212810026U CN202022267143.2U CN202022267143U CN212810026U CN 212810026 U CN212810026 U CN 212810026U CN 202022267143 U CN202022267143 U CN 202022267143U CN 212810026 U CN212810026 U CN 212810026U
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Abstract
The utility model relates to a large-scale power transformer coil pressure equipment cushion structure belongs to transformer coil pressure equipment technical field. The technical scheme is as follows: the surface of a plurality of pressure equipment cushion blocks (1) is opened with horizontal bandage slot (9), laminate cardboard (2) that bandage slot (9) correspond is opened and is had a plurality of bandage holes (10), bandage hole (10) are located clearance (13) department between adjacent pressure equipment cushion block (1), bandage (11) ligature is in bandage slot (9) and pass bandage hole (10) in turn, be in the same place a plurality of pressure equipment cushion blocks (1) and laminate cardboard (2) ligature, constitute pressure equipment cushion block structure. The utility model has the advantages that: on the premise of ensuring normal compression of the coil, the press mounting stability of the press mounting cushion block is improved, the safety factor is improved, the workload of an operator is reduced, the placing time of the press mounting cushion block is shortened, the production efficiency is improved, the press mounting under a vacuum drying environment is adapted, and the service life is prolonged.
Description
Technical Field
The utility model relates to a large-scale power transformer coil pressure equipment cushion structure belongs to transformer coil pressure equipment technical field.
Background
At present, the coil of a large-scale power transformer generally has large diameter size, long end part head, large pressure required during press fitting operation, large number of used supporting strips and narrow radial direction (less than 20 mm) of partial coil. In order to ensure the accurate reactance height of the coil, the prior art generally dries the coil in a vacuum drying furnace under the pressure state, requires that a press mounting cushion block is required to be arranged at each supporting strip position during press mounting, has large workload, and has difficult guarantee of the press mounting stability of a common press mounting cushion block for the coil with a longer end part, and provides new requirements for the structure of the press mounting cushion block in a vacuum drying environment in the drying furnace.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a large-scale power transformer coil pressure equipment cushion structure, under the prerequisite of guaranteeing the normal pressurized of coil, improves pressure equipment cushion pressure equipment stability, improves factor of safety, reduces operator's work load, shortens the time of putting of pressure equipment cushion, improves production efficiency, adapts to the pressure equipment under the vacuum drying environment, and increase of service time solves the problem that exists among the background art.
The technical scheme of the utility model is that:
a large-scale power transformer coil press-fitting cushion block structure comprises press-fitting cushion blocks, laminated paper boards and binding bands, wherein a plurality of press-fitting cushion blocks are longitudinally arranged on the laminated paper boards, and gaps are reserved between every two adjacent press-fitting cushion blocks; the surface of a plurality of pressure equipment cushion blocks is opened and is had horizontal bandage slot, it has a plurality of bandage holes to open on the laminated board that the bandage slot corresponds, the bandage hole is located the clearance department between the adjacent pressure equipment cushion block, the bandage hole quantity on the bandage slot equals with clearance quantity, the bandage ligature is in bandage inslot and pass the bandage hole in turn, bind a plurality of pressure equipment cushion blocks and laminated board together, constitute pressure equipment cushion block structure, a plurality of pressure equipment cushion blocks and laminated board flexible of this pressure equipment cushion block structure.
The bandage slot quantity is the multichannel, and the surface at a plurality of pressure equipment cushions is transversely set up to be parallel to each other, and every bandage slot all matches and has the bandage hole.
The utility model discloses there are two kinds of concrete implementation modes:
1. the top and the pressure equipment cushion top parallel and level of laminated paperboard, the bottom of laminated paperboard is good at pressure equipment cushion bottom, stretches out downwards, and the laminated paperboard who stretches out the pressure equipment cushion has the slope, the lower extreme of pressure equipment cushion is U type structure, wholly constitutes pressure equipment cushion structure, and the coil that this structure is used for the pressure equipment is the double-deck formula coil. When the double-layer coil press fitting device is used, the two press fitting cushion block structures are an upper press fitting cushion block structure and a lower press fitting cushion block structure respectively, the upper press fitting cushion block structure is located at the upper end of the double-layer coil, and the lower press fitting cushion block structure is located at the lower end of the double-layer coil. The end part of the laminated paper board of the press-fitting cushion block structure is inserted between the stay paper boards in the double-layer coil in a slope manner, so that the laminated paper board is convenient to fix, the U-shaped structure at the end part of the press-fitting cushion block is inserted between the two layers of coils of the double-layer coil, the upper pressing plate is pressed on the upper press-fitting cushion block structure, and the lower pressing plate is pressed on the lower press-fitting cushion block structure;
2. the top of the laminated paper board is flush with the top of the press-fitting cushion block, the bottom of the laminated paper board is flush with the bottom of the press-fitting cushion block, a press-fitting cushion block structure is integrally formed, the structure is matched with the sector plate, and the coil for press-fitting is a single-layer layered coil or a continuous coil. When the press fitting device is used, the press fitting cushion block structure is positioned at the upper end of the coil, the sector plate is positioned at the lower end of the coil, the upper press plate is pressed on the upper press fitting cushion block structure, and the lower press plate is pressed on the sector plate.
The press-fitting cushion block is made of electrical laminated wood, the laminated paperboard is used as the press-fitting cushion block for the transformer, the binding band is a contraction band used by the transformer, a press-fitting cushion block structure is formed, and the press-fitting cushion block structure can be bent along with the diameter of the coil. The sector plates are made of electrical laminated wood. Use the utility model discloses pressure equipment easy operation, efficient, stability is good, and uses cushion non-deformable for a long time, and live time is long, and the coil pressure equipment is effectual.
The utility model has the advantages that: on the premise of ensuring normal compression of the coil, the press mounting stability of the press mounting cushion block is improved, the safety factor is improved, the workload of an operator is reduced, the placing time of the press mounting cushion block is shortened, the production efficiency is improved, the press mounting under a vacuum drying environment is adapted, and the service life is prolonged.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic side view of an embodiment of the present invention;
fig. 3 is a rear view schematically illustrating an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a second embodiment of the present invention;
FIG. 5 is a schematic side view of an embodiment of the present invention;
fig. 6 is a schematic rear view of a second embodiment of the present invention;
FIG. 7 is a schematic diagram of a second fan-shaped plate structure according to an embodiment of the present invention;
FIG. 8 is a schematic view of a usage status of the present invention;
FIG. 9 is a schematic view of a second usage status of the embodiment of the present invention;
in the figure: the pressing cushion block comprises a pressing cushion block 1, a laminated paper board 2, an upper pressing plate 3, an upper pressing cushion block structure 4, a coil 5, a lower pressing cushion block structure 6, a lower pressing plate 7, a sector plate 8, a binding belt groove 9, a binding belt hole 10, a binding belt 11, a slope 12, a gap 13 and a U-shaped structure 14.
Detailed Description
The present invention will be further explained by way of examples with reference to the accompanying drawings.
A large-scale power transformer coil press-fitting cushion block structure comprises press-fitting cushion blocks 1, laminated paper boards 2 and binding bands 11, wherein the press-fitting cushion blocks 1 are longitudinally arranged on the laminated paper boards 2, and gaps 13 are reserved between every two adjacent press-fitting cushion blocks 1; the outer surface of a plurality of pressure equipment cushion blocks 1 is provided with a transverse binding belt groove 9, laminated paper boards 2 corresponding to the binding belt groove 9 are provided with a plurality of binding belt holes 10, the binding belt holes 10 are positioned in gaps 13 between adjacent pressure equipment cushion blocks 1, the number of the binding belt holes 10 in the binding belt groove 9 is equal to that of the gaps 13, binding belts 11 are bound in the binding belt grooves 9 and alternately penetrate through the binding belt holes 10, the pressure equipment cushion blocks 1 are bound with the laminated paper boards 2 to form a pressure equipment cushion block structure, and the pressure equipment cushion blocks 1 and the laminated paper boards 2 of the pressure equipment cushion block structure can be bent.
The number of the binding belt grooves 9 is multiple, the binding belt grooves are parallel to each other and are transversely arranged on the outer surfaces of the plurality of press mounting cushion blocks 1, and each binding belt groove 9 is matched with a binding belt hole 10.
The utility model discloses there are two kinds of concrete implementation modes:
the first embodiment is as follows: the top of laminated paper board 2 and 1 top parallel and level of pressure equipment cushion, the bottom of laminated paper board 2 is good at pressure equipment cushion 1 bottom, stretches out downwards, and laminated paper board 2 that stretches out pressure equipment cushion 1 has slope 12, the lower extreme of pressure equipment cushion 1 is U type structure 14, wholly constitutes pressure equipment cushion structure, and the coil that this structure is used for the pressure equipment is the double-deck formula coil. When the double-layer coil press fitting device is used, the two press fitting cushion block structures are respectively an upper press fitting cushion block structure 4 and a lower press fitting cushion block structure 6, the upper press fitting cushion block structure 4 is located at the upper end of the double-layer coil, and the lower press fitting cushion block structure 6 is located at the lower end of the double-layer coil. The slope 12 at the end part of the laminated paper board 2 of the press-fitting cushion block structure is inserted between the stay paper boards in the double-layer coil, so that the double-layer coil is convenient to fix, the U-shaped structure 14 at the end part of the press-fitting cushion block 1 is inserted between the two layers of coils of the double-layer coil, the upper pressing plate 3 is pressed on the upper press-fitting cushion block structure 4, and the lower pressing plate 7 is pressed on the lower press-fitting cushion block structure 6.
Example two: the top of the laminated paper board 2 is flush with the top of the press-fitting cushion block 1, the bottom of the laminated paper board 2 is flush with the bottom of the press-fitting cushion block 1, a press-fitting cushion block structure is integrally formed, the structure is matched with the sector plate 8, and a coil for press-fitting is a single-layer layered coil or a continuous coil. When the pressing device is used, the pressing cushion block structure is positioned at the upper end of the coil 4, the sector plate 8 is positioned at the lower end of the coil, the upper pressing plate 3 is pressed on the upper pressing cushion block structure 4, and the lower pressing plate 7 is pressed on the sector plate 8.
The press-fitting cushion block is made of electrical laminated wood, the laminated paperboard is used as the press-fitting cushion block for the transformer, the binding band is a contraction band used by the transformer, a press-fitting cushion block structure is formed, and the press-fitting cushion block structure can be bent along with the diameter of the coil. The sector plates are made of electrical laminated wood. Use the utility model discloses pressure equipment easy operation, efficient, stability is good, and uses cushion non-deformable for a long time, and live time is long, and the coil pressure equipment is effectual.
In the embodiment, the press-fitting cushion block 1 is made of electrical laminated wood, the form of the press-fitting cushion block can be determined according to the coil structure, and the lower end of the press-fitting cushion block in the first embodiment is provided with a U-shaped structure 14 which can be used for a double-layer coil; the press-fitting cushion block 1 of the second embodiment is of a vertical structure, can be used for single-layer coils, continuous coils and the like, and needs to be matched with the sector plates 8 when the continuous coil structure is pressed and fitted. The height dimension of the press-fitting cushion block 1 is determined according to the use requirement, the width dimension does not exceed the width of the coil cushion block generally, and the weight of the press block is reduced as much as possible on the premise of meeting the press-fitting pressure. The thickness of the laminated paper board 2 is generally 2-3mm, the laminated paper board is too thin and is easy to damage, and the laminated paper board is too thick and is not easy to bend, the binding belt hole 10 of the laminated paper board 2 is opened, and the width of the binding belt hole 10 is larger than the gap 13 of the press-fitting cushion block.
The laminated paper board 2 of the first embodiment is longer at the lower end and is provided with a slope 12.
In the embodiment, the number of the press-fitting cushion blocks 1 is six, the specific number can be properly adjusted according to the number of the coil stays and the total weight of the press-fitting cushion blocks, the overall weight is preferably that an adult can easily lift the press-fitting cushion blocks, and generally the total weight is not more than 10 kg.
The press-fitting cushion block is connected with the laminated paperboard by a binding band (contraction band), and the binding band 11 is bound and fixed with the press-fitting cushion block through a binding band hole 10 of the laminated paperboard. The sector plates 8 are made of electrical laminated wood and have a thickness of generally more than 30 mm.
Use of embodiment one: before coil pressure equipment, put lower part pressure equipment cushion structure 6 on holding down plate 7 according to the coil diameter in advance, steadily hoist the coil and transport to lower part pressure equipment cushion structure 6 top, finely tune 6 positions of lower part pressure equipment cushion structure, steadily fall the coil after aligning with the coil. And installing an upper press-fitting cushion block structure 4, and inserting the lower slope 12 of the laminated paper board of the upper press-fitting cushion block structure 4 between the stay paper boards inside the coil so as to be convenient for fixing. After the upper press-fitting cushion block structure 4 is installed, the upper press plate 3 can be installed. After the upper pressing plate is installed, the structure position of the pressing cushion block is checked, if the upper pressing plate is inclined, the upper pressing plate is knocked in place, and the upper pressing plate is guaranteed to be in a vertical state.
In the second embodiment, the sector plate 8 is matched, and the sector plate 8 is arranged at the lower part of the coil.
Claims (4)
1. The utility model provides a large-scale power transformer coil pressure equipment cushion structure which characterized in that: the laminated paper board comprises press-fitting cushion blocks (1), laminated paper boards (2) and binding bands (11), wherein the press-fitting cushion blocks (1) are longitudinally arranged on the laminated paper boards (2), and gaps (13) are reserved between every two adjacent press-fitting cushion blocks (1); the surface of a plurality of pressure equipment cushion blocks (1) is opened and is had horizontal bandage slot (9), it has a plurality of bandage holes (10) to open on lamination board (2) that bandage slot (9) corresponds, bandage hole (10) are located clearance (13) department between adjacent pressure equipment cushion block (1), bandage hole (10) quantity on bandage slot (9) equals with clearance (13) quantity, bandage (11) ligature is in bandage slot (9) and passes bandage hole (10) in turn, bind a plurality of pressure equipment cushion blocks (1) and lamination board (2) together, constitute pressure equipment cushion block structure, a plurality of pressure equipment cushion blocks (1) and lamination board (2) flexible of this pressure equipment cushion block structure.
2. The large power transformer coil press-fitting cushion block structure as claimed in claim 1, wherein: bandage slot (9) quantity is the multichannel, and the surface at a plurality of pressure equipment cushion (1) is transversely set up to be parallel to each other, and every bandage slot (9) all matches and has bandage hole (10).
3. A large power transformer coil press-fitting cushion block structure as claimed in claim 1 or 2, wherein: the top of stating laminated paper board (2) is parallel and level with pressure equipment cushion (1) top, and the bottom of laminated paper board (2) is good at pressure equipment cushion (1) bottom, stretches out downwards, and laminated paper board (2) that stretch out pressure equipment cushion (1) have slope (12), the lower extreme of pressure equipment cushion (1) is U type structure (14), wholly constitutes pressure equipment cushion structure.
4. A large power transformer coil press-fitting cushion block structure as claimed in claim 1 or 2, wherein: the top of the laminated paper board (2) is flush with the top of the press-fitting cushion block (1), and the bottom of the laminated paper board (2) is flush with the bottom of the press-fitting cushion block (1), so that the press-fitting cushion block structure is integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022267143.2U CN212810026U (en) | 2020-10-13 | 2020-10-13 | Large-scale power transformer coil pressure equipment cushion structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022267143.2U CN212810026U (en) | 2020-10-13 | 2020-10-13 | Large-scale power transformer coil pressure equipment cushion structure |
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| CN212810026U true CN212810026U (en) | 2021-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022267143.2U Active CN212810026U (en) | 2020-10-13 | 2020-10-13 | Large-scale power transformer coil pressure equipment cushion structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112599330A (en) * | 2020-11-05 | 2021-04-02 | 山东电力设备有限公司 | Binding structure and binding method of spiral coil |
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2020
- 2020-10-13 CN CN202022267143.2U patent/CN212810026U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112599330A (en) * | 2020-11-05 | 2021-04-02 | 山东电力设备有限公司 | Binding structure and binding method of spiral coil |
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