CN107993834B - Transformer winding drying constant voltage device - Google Patents
Transformer winding drying constant voltage device Download PDFInfo
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- CN107993834B CN107993834B CN201711427750.7A CN201711427750A CN107993834B CN 107993834 B CN107993834 B CN 107993834B CN 201711427750 A CN201711427750 A CN 201711427750A CN 107993834 B CN107993834 B CN 107993834B
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- 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
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Abstract
The invention discloses a transformer winding drying constant-pressure device which comprises a bottom plate, wherein a plurality of cushion blocks are arranged at the edge of the lower side of the bottom plate in a surrounding mode, a central column is arranged at the center of the upper side of the bottom plate, the lower end of the central column penetrates through the bottom plate and is fixedly connected with a limiting block, a limiting groove corresponding to the limiting block is arranged at the lower side of the bottom plate, a plurality of arc-shaped clamping plates are arranged at the upper side of the bottom plate in a surrounding mode, the arc-shaped clamping plates are connected with the bottom plate through adjusting mechanisms, a pressing plate is sleeved on the central column, a plurality of first sliding blocks are arranged on the inner side wall of the pressing. The invention clamps the upper end and the lower end of the winding through the combined action of the pressing plate and the bottom plate, and simultaneously clamps the peripheral side of the winding through the plurality of arc-shaped clamping plates arranged around the central column, thereby avoiding the lead of the winding from stretching and loosening outwards in the process of pressing, and ensuring the quality of the winding.
Description
Technical Field
The invention relates to the technical field of transformer production, in particular to a transformer winding drying constant-voltage device.
Background
In the vacuum drying process of the transformer winding, constant pressing force must be applied to the winding to improve the mechanical strength of the winding and the dimensional stability of a case, the short-circuit resistance of the winding is enhanced, meanwhile, the process of pressing the winding by using a coil press machine after the winding is dried in vacuum can be avoided, and the production efficiency is improved.
The traditional pressing device adopted by the winding in the vacuum drying process is hydraulic equipment which can apply constant pressing force to the winding, but the equipment has a complex structure, is large in size and expensive, needs maintenance and increases the production cost of the transformer winding.
According to the transformer winding drying constant-voltage device provided by the No. CN 102709046B, the winding is continuously and constantly compressed through the compressing device and the self gravity of the winding, and meanwhile, according to the lever principle, the compressing force applied to the winding is a multiple of the compressing device and the self gravity of the winding, so that the winding is reliably compressed in vacuum drying. However, in this scheme, only the compression of the upper end and the lower end of the winding is considered, and the peripheral sides of the winding are not compressed and fixed, so that the lead is easily stretched in the compression process, the winding is loosened outwards, and the quality of the winding is affected.
In order to solve the above problems, we propose a transformer winding drying constant voltage device.
Disclosure of Invention
The invention aims to solve the problem that the winding quality is affected by outward looseness of a winding caused by the fact that a lead is easily stretched because the peripheral side of the winding is not pressed and fixed in the prior art, and provides a transformer winding drying constant voltage device.
In order to achieve the purpose, the invention adopts the following technical scheme:
a transformer winding drying constant-pressure device comprises a bottom plate, wherein a plurality of cushion blocks are arranged at the edge of the lower side of the bottom plate in a surrounding manner, a center column is arranged at the center of the upper side of the bottom plate, the lower end of the center column penetrates through the bottom plate and is fixedly connected with a limiting block, a limiting groove corresponding to the limiting block is arranged at the lower side of the bottom plate, a plurality of arc-shaped clamping plates are arranged at the upper side of the bottom plate in a surrounding manner, the arc-shaped clamping plates are connected with the bottom plate through adjusting mechanisms, a pressing plate is sleeved on the center column, a plurality of first sliding blocks are arranged on the inner side wall of the pressing plate in a surrounding manner, a first sliding groove corresponding to the first sliding blocks is arranged on the center column, a plurality of connecting blocks are connected to the outer side wall of the pressing plate through connecting mechanisms, a second sliding block is arranged at one side, away from the connecting, the fixing mechanism is located above the pressing plate, and the pressing mechanism corresponding to the connecting block is installed on the upper side of the arc-shaped clamping plate.
Preferably, the adjusting mechanism comprises a third sliding block fixed on the lower side of the arc-shaped clamping plate, a third sliding groove corresponding to the third sliding block is formed in the bottom plate, a first screw rod is rotatably connected to the inner side wall of the third sliding groove, the third sliding block is in threaded connection with the first screw rod, and one end, far away from the center column, of the first screw rod penetrates through the inner side wall of the third sliding groove and is fixedly connected with an adjusting knob.
Preferably, coupling mechanism is including encircleing a plurality of arcs that set up in the clamp plate outside and holding up the pole, the outside of clamp plate is equipped with the linking groove that corresponds with the arc and holds up the pole, the arc holds up the pole and rotates with the inside wall that links up the groove through the pivot and is connected, the arc holds up the pole and keeps away from the one end and linking piece fixed connection of pivot.
Preferably, both ends of the rotating shaft are sleeved with torsion springs, and both ends of each torsion spring are fixedly connected with the inner side wall of the connecting groove and the arc-shaped connecting rod respectively.
Preferably, the fixing mechanism comprises a locking ring sleeved on the central column in a threaded manner, a gasket is arranged between the locking ring and the pressing plate, the gasket is sleeved on the central column, and the upper side and the lower side of the gasket are respectively abutted against the lower side of the locking ring and the upper side of the pressing plate.
Preferably, the compressing mechanism comprises a compressing cover sleeved on the upper side of the arc-shaped clamping plate, a second screw rod is fixedly connected to the upper side of the arc-shaped clamping plate, the upper end of the second screw rod penetrates through the top of the compressing cover and is sleeved with a nut in a threaded manner, and the inner side of the lower end of the compressing cover is abutted to the upper side of the connecting block.
Preferably, the both sides of arc splint all are equipped with the groove of accomodating, accomodate the inslot and be equipped with the extension plate, accomodate a plurality of inserted bars of interior bottom fixedly connected with in the groove, one side that the extension plate is close to accomodating the inslot bottom is equipped with the slot that corresponds with the inserted bar, the cover is equipped with linear spring on the inserted bar, linear spring's both ends are connected with the extension plate respectively and accomodate the interior bottom in groove.
Preferably, the lower side of the joint block and the lower side of the pressing plate are located in the same horizontal plane.
Preferably, the limiting block is prism-shaped.
The invention clamps the upper end and the lower end of the winding through the combined action of the pressing plate and the bottom plate, and simultaneously clamps the peripheral side of the winding through the plurality of arc-shaped clamping plates arranged around the central column, thereby avoiding the lead of the winding from stretching and loosening outwards in the process of pressing, and ensuring the quality of the winding.
Drawings
FIG. 1 is a schematic structural diagram of a transformer winding drying constant voltage device according to the present invention;
FIG. 2 is a schematic view of the structure at A in FIG. 1;
FIG. 3 is a schematic view of the structure at B in FIG. 1;
FIG. 4 is a top view of a transformer winding drying constant voltage device according to the present invention;
FIG. 5 is a bottom view of a transformer winding drying constant voltage device in accordance with the present invention;
fig. 6 is a schematic structural diagram of an arc-shaped clamping plate in a transformer winding drying constant voltage device according to the present invention.
In the figure: the device comprises a base plate 1, a cushion block 2, a central column 3, a limiting block 4, an arc-shaped clamping plate 5, a pressing plate 6, a first sliding block 7, an engaging block 8, a second sliding block 9, a third sliding block 10, a first screw rod 11, an adjusting knob 12, an arc-shaped engaging rod 13, a rotating shaft 14, a torsion spring 15, a locking ring 16, a gasket 17, a pressing cover 18, a second screw rod 19, a nut 20, an extension plate 21, an insertion rod 22 and a linear spring 23.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-6, a transformer winding drying constant-pressure device comprises a bottom plate 1, a plurality of cushion blocks 2 are arranged at the edge of the lower side of the bottom plate 1 in a surrounding manner, a central column 3 is arranged at the center of the upper side of the bottom plate 1, the lower end of the central column 3 penetrates through the bottom plate 1 and is fixedly connected with a limiting block 4, a limiting groove corresponding to the limiting block 4 is arranged at the lower side of the bottom plate 1, and the limiting block 4 is prism-shaped, so that the limiting block 4 can be conveniently clamped with the inner side wall of the limiting groove, and;
the upper side of the bottom plate 1 is provided with a plurality of arc-shaped clamping plates 5 around the central column 3, the arc-shaped clamping plates 5 are connected with the bottom plate 1 through an adjusting mechanism, the adjusting mechanism comprises a third sliding block 10 fixed on the lower side of the arc-shaped clamping plates 5, the bottom plate 1 is provided with a third sliding groove corresponding to the third sliding block 10, the inner side wall of the third sliding groove is rotatably connected with a first screw 11, the third sliding block 10 is in threaded connection with the first screw 11, one end of the first screw 11, far away from the central column 3, penetrates through the inner side wall of the third sliding groove and is fixedly connected with an adjusting knob 12, the first screw 11 is convenient to rotate by rotating the adjusting knob 12, the third sliding block 10 is in threaded connection with the first screw 11, meanwhile, the third sliding block 10 is in contact with the inner side wall of the third sliding groove, the third sliding block 10 is convenient to slide in the third, the periphery of the winding is clamped and fixed to prevent the winding from loosening outwards;
the central column 3 is sleeved with a pressing plate 6, the inner side wall of the pressing plate 6 is provided with a plurality of first sliding blocks 7 in a surrounding manner, the central column 3 is provided with a first sliding groove corresponding to the first sliding blocks 7, the outer side wall of the pressing plate 6 is connected with a plurality of linking blocks 8 through a connecting mechanism, the lower sides of the linking blocks 8 and the lower sides of the pressing plate 6 are positioned in the same horizontal plane, the linking blocks 8 and the lower sides of the pressing plate 6 are convenient to contact with the upper side of a winding simultaneously, so that the upper side of the winding is convenient to compress, the connecting mechanism comprises a plurality of arc linking rods 13 arranged on the outer side of the pressing plate 6 in a surrounding manner, the outer side of the pressing plate 6 is provided with linking grooves corresponding to the arc linking rods 13, the arc linking rods 13 are rotatably connected with the inner side wall of the linking grooves through rotating shafts 14, one ends, far away from the rotating shafts 14, of the arc linking rods 13 are fixedly connected with the linking blocks 8, two ends of, a second sliding block 9 is arranged on one side, away from the connecting mechanism, of the connecting block 8, a second sliding groove corresponding to the second sliding block 9 is arranged on the inner side of the arc-shaped clamping plate 5, and in the moving process of the arc-shaped clamping plate 5, due to the contact of the second sliding block 9 and the inner side wall of the second sliding groove, the arc-shaped connecting rod 13 is pulled through the connecting block 8, so that the arc-shaped connecting rod 13 can conveniently rotate around a rotating shaft 14, and due to the torsion action of a torsion spring 15, the arc-shaped clamping plate 5 can be conveniently pulled towards the direction of the central column 3 through the connecting block 8 and the second sliding block 9 through the arc-shaped connecting rod 13, and the fixation of the periphery of the winding group is further improved;
the central column 3 is provided with a fixing mechanism corresponding to the pressing plate 6, the fixing mechanism is positioned above the pressing plate 6, the fixing mechanism comprises a locking ring 16 which is sleeved on the central column 3 in a threaded manner, a gasket 17 is arranged between the locking ring 16 and the pressing plate 6, the gasket 17 is sleeved on the central column 3, the upper side and the lower side of the gasket 17 are respectively abutted against the lower side of the locking ring 16 and the upper side of the pressing plate 6, the pressing plate 6 is conveniently extruded downwards by rotating the locking ring 16, the upper end and the lower end of a winding are further pressed by the combined action of the pressing plate 6 and the bottom plate 1, and the gasket 17 can prevent the pressing plate 6 and the locking ring 16;
the upper side of the arc-shaped clamping plate 5 is provided with a pressing mechanism corresponding to the connecting block 8, the pressing mechanism comprises a pressing cover 18 sleeved on the upper side of the arc-shaped clamping plate 5, the upper side of the arc-shaped clamping plate 5 is fixedly connected with a second screw rod 19, the upper end of the second screw rod 19 penetrates through the top of the pressing cover 18 and is in threaded sleeve connection with a nut 20, the inner side of the lower end of the pressing cover 18 abuts against the upper side of the connecting block 8, the pressing cover 18 is sleeved on the upper side of the arc-shaped clamping plate 5, the nut 20 is screwed, the nut 20 is in threaded sleeve connection with the second screw rod 19, so that the position of the nut 20 is convenient to move, when the nut 20 moves downwards, the connecting block 8 is extruded through the pressing cover 18, and;
the both sides of arc splint 5 all are equipped with the groove of accomodating, accomodate the inslot and be equipped with extension plate 21, accomodate a plurality of inserted bar 22 of interior bottom fixedly connected with in the groove, one side that extension plate 21 is close to accomodating the inslot bottom is equipped with the slot that corresponds with inserted bar 22, the cover is equipped with linear spring 23 on the inserted bar 22, linear spring 23's both ends respectively with extension plate 21 with accomodate the interior bottom in groove and be connected, because linear spring 23's elastic force effect, thereby make things convenient for extension plate 21 to run through the notch of accomodating the groove and outwards extend, thereby the convenient week side to the winding is assisted fixedly.
In the invention, a winding is placed on a bottom plate 1 through a center post 3, a pressing plate 6 is conveniently arranged on the center post 3 through the sliding fit of a first slide block 7 and a first chute, a connecting block 8 is conveniently arranged on an arc-shaped clamping plate 5 through the sliding fit of a second slide block 9 and a second chute, a first screw rod 11 is convenient to rotate through rotating an adjusting knob 12, the position of the arc-shaped clamping plate 5 is convenient to adjust due to the fact that a third slide block 10 is in threaded connection with the first screw rod 11 and the third slide block 10 is in contact with the inner side wall of the third chute, the third slide block 10 rotates along with the first screw rod 11 and slides in the third chute, the periphery side of the winding is clamped and fixed, the winding is prevented from being loosened towards the outer side, in the moving process of the arc-shaped clamping plate 5, the arc-shaped connecting rod 13 is pulled through the connecting block 8 due to the contact of the second slide block 9 and the inner side wall of, thereby make things convenient for arc to link up pole 13 and use pivot 14 to rotate as the center, because torsion spring 15's torsion effect, thereby conveniently link up pole 13 through linking up piece 8 and second slider 9 with arc splint 5 to 3 direction pulling of center post, further improve the fixed to winding week side, will compress tightly cover 18 cover and establish the upside and twist nut 20 at arc splint 5, because nut 20 screw thread cup joints on second screw rod 19, thereby make things convenient for the position of nut 20 to remove, when nut 20 moves down, link up piece 8 through compressing tightly cover 18 and extrude, thereby conveniently link up the removal of piece 8, in this process, synchronous rotation locking ring 16, thereby conveniently push clamp plate 6 down, and then to the combined action through clamp plate 6 and bottom plate 1, compress tightly the upper and lower both ends of winding.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (1)
1. A transformer winding drying constant-pressure device comprises a bottom plate (1) and is characterized in that a plurality of cushion blocks (2) are arranged at the edge of the lower side of the bottom plate (1) in a surrounding mode, a center column (3) is arranged at the center of the upper side of the bottom plate (1), the lower end of the center column (3) penetrates through the bottom plate (1) and is fixedly connected with a limiting block (4), a limiting groove corresponding to the limiting block (4) is arranged at the lower side of the bottom plate (1), a plurality of arc-shaped clamping plates (5) are arranged at the upper side of the bottom plate (1) in a surrounding mode around the center column (3), the arc-shaped clamping plates (5) are connected with the bottom plate (1) through adjusting mechanisms, a pressing plate (6) is sleeved on the center column (3), a plurality of first sliding blocks (7) are arranged on the inner side wall of the pressing plate (6), the outer side wall of the pressing plate (6) is connected with a plurality of connecting blocks (8) through connecting mechanisms, a second sliding block (9) is arranged on one side, away from the connecting mechanisms, of each connecting block (8), a second sliding groove corresponding to the second sliding block (9) is arranged on the inner side of the arc-shaped clamping plate (5), a fixing mechanism corresponding to the pressing plate (6) is installed on the central column (3), the fixing mechanism is located above the pressing plate (6), and a pressing mechanism corresponding to the connecting blocks (8) is installed on the upper side of the arc-shaped clamping plate (5);
the adjusting mechanism comprises a third sliding block (10) fixed on the lower side of the arc-shaped clamping plate (5), a third sliding groove corresponding to the third sliding block (10) is formed in the bottom plate (1), a first screw rod (11) is rotatably connected to the inner side wall of the third sliding groove, the third sliding block (10) is in threaded connection with the first screw rod (11), and one end, far away from the central column (3), of the first screw rod (11) penetrates through the inner side wall of the third sliding groove and is fixedly connected with an adjusting knob (12);
the connecting mechanism comprises a plurality of arc-shaped connecting rods (13) arranged on the outer side of the pressing plate (6) in a surrounding mode, connecting grooves corresponding to the arc-shaped connecting rods (13) are formed in the outer side of the pressing plate (6), the arc-shaped connecting rods (13) are rotatably connected with the inner side walls of the connecting grooves through rotating shafts (14), and one ends, far away from the rotating shafts (14), of the arc-shaped connecting rods (13) are fixedly connected with the connecting blocks (8);
two ends of the rotating shaft (14) are respectively sleeved with a torsion spring (15), and two ends of each torsion spring (15) are respectively and fixedly connected with the inner side wall of the connecting groove and the arc-shaped connecting rod (13);
the fixing mechanism comprises a locking ring (16) which is sleeved on the central column (3) in a threaded manner, a gasket (17) is arranged between the locking ring (16) and the pressing plate (6), the gasket (17) is sleeved on the central column (3), and the upper side and the lower side of the gasket (17) are respectively abutted against the lower side of the locking ring (16) and the upper side of the pressing plate (6);
the pressing mechanism comprises a pressing cover (18) sleeved on the upper side of the arc-shaped clamping plate (5), a second screw rod (19) is fixedly connected to the upper side of the arc-shaped clamping plate (5), the upper end of the second screw rod (19) penetrates through the top of the pressing cover (18) and is in threaded sleeve connection with a nut (20), and the inner side of the lower end of the pressing cover (18) is abutted to the upper side of the connecting block (8);
the arc-shaped clamping plate is characterized in that accommodating grooves are formed in two sides of the arc-shaped clamping plate (5), extension plates (21) are arranged in the accommodating grooves, a plurality of inserting rods (22) are fixedly connected to the inner bottom of the accommodating grooves, inserting grooves corresponding to the inserting rods (22) are formed in one sides, close to the inner bottom of the accommodating grooves, of the extension plates (21), linear springs (23) are sleeved on the inserting rods (22), and two ends of each linear spring (23) are respectively connected with the extension plates (21) and the inner bottom of the accommodating groove;
the lower side of the connecting block (8) and the lower side of the pressing plate (6) are positioned in the same horizontal plane;
the limiting block (4) is prism-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711427750.7A CN107993834B (en) | 2017-12-26 | 2017-12-26 | Transformer winding drying constant voltage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711427750.7A CN107993834B (en) | 2017-12-26 | 2017-12-26 | Transformer winding drying constant voltage device |
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| Publication Number | Publication Date |
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| CN107993834A CN107993834A (en) | 2018-05-04 |
| CN107993834B true CN107993834B (en) | 2020-02-14 |
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| CN201711427750.7A Active CN107993834B (en) | 2017-12-26 | 2017-12-26 | Transformer winding drying constant voltage device |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111554507B (en) * | 2020-04-09 | 2021-08-31 | 山东省产品质量检验研究院 | Transformer winding drying constant voltage device |
| CN111740551A (en) * | 2020-07-15 | 2020-10-02 | 江苏本格自动化科技有限公司 | Shaping machine |
| CN112447386B (en) * | 2020-09-21 | 2022-06-10 | 铜陵三佳变压器科技股份有限公司 | Coil blocking and positioning mechanism of miniature transformer convenient for feeding |
| CN113410032B (en) * | 2021-05-19 | 2023-03-21 | 河南巨高嘉业电力设备有限公司 | On-site construction method for power distribution cabinet of dry-type transformer |
| CN114758885B (en) * | 2022-03-25 | 2023-09-26 | 重庆三峡学院 | Automatic production equipment for transformer windings of power system |
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| JPH02198118A (en) * | 1989-01-27 | 1990-08-06 | Tabuchi Denki Kk | Formation of coil |
| JP3787074B2 (en) * | 2001-03-27 | 2006-06-21 | 愛知電機株式会社 | Transformer core forming and holding device |
| CN201224580Y (en) * | 2008-04-17 | 2009-04-22 | 上海置信电气股份有限公司 | Special transportation rack for round wire barrel |
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Denomination of invention: A transformer winding drying constant voltage device Effective date of registration: 20210203 Granted publication date: 20200214 Pledgee: Tongling branch of Bank of China Ltd. Pledgor: TONGLING SANJIA TRANFORMER Co.,Ltd. Registration number: Y2021980000975 |
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Date of cancellation: 20220214 Granted publication date: 20200214 Pledgee: Tongling branch of Bank of China Ltd. Pledgor: TONGLING SANJIA TRANFORMER CO.,LTD. Registration number: Y2021980000975 |