CN109243777B - Device for enhancing longitudinal mechanical strength of coil of electric furnace transformer - Google Patents
Device for enhancing longitudinal mechanical strength of coil of electric furnace transformer Download PDFInfo
- Publication number
- CN109243777B CN109243777B CN201811190388.0A CN201811190388A CN109243777B CN 109243777 B CN109243777 B CN 109243777B CN 201811190388 A CN201811190388 A CN 201811190388A CN 109243777 B CN109243777 B CN 109243777B
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- China
- Prior art keywords
- coil
- clamp bar
- clamping rod
- clamping lever
- clamping
- Prior art date
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Links
- 230000002708 enhancing effect Effects 0.000 title abstract description 13
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 26
- 239000010959 steel Substances 0.000 claims description 26
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 239000005997 Calcium carbide Substances 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 229910001021 Ferroalloy Inorganic materials 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 241001062472 Stokellia anisodon Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- CLZWAWBPWVRRGI-UHFFFAOYSA-N tert-butyl 2-[2-[2-[2-[bis[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]-5-bromophenoxy]ethoxy]-4-methyl-n-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]anilino]acetate Chemical compound CC1=CC=C(N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)C(OCCOC=2C(=CC=C(Br)C=2)N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)=C1 CLZWAWBPWVRRGI-UHFFFAOYSA-N 0.000 description 1
- OBSZRRSYVTXPNB-UHFFFAOYSA-N tetraphosphorus Chemical compound P12P3P1P32 OBSZRRSYVTXPNB-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
- H01F27/303—Clamping coils, windings or parts thereof together
-
- 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
-
- 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
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
- H01F27/306—Fastening or mounting coils or windings on core, casing or other support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
Abstract
The application discloses vertical mechanical strength device of electric stove transformer reinforcing coil, including a plurality of coils that set up side by side, this a plurality of coils are fixed through a clamping assembly, clamping assembly includes first clamping lever, second clamping lever, third clamping lever, fourth clamping lever, first clamping lever and second clamping lever set up in this a plurality of coil top surfaces along a plurality of coil arrangement direction symmetries, third clamping lever symmetry in first clamping lever set up in the coil bottom surface, fourth clamping lever symmetry in second clamping lever set up in the coil bottom surface, this a plurality of coils of first clamping lever and third clamping lever, second clamping lever and fourth clamping lever centre gripping, be fixed through a plurality of vertical tensioning screw rods between first clamping lever and third clamping lever, second clamping lever and the fourth clamping lever respectively, be fixed through a plurality of horizontal tensioning screw rods between first clamping lever and second clamping lever, third clamping lever and the fourth clamping lever respectively. The invention has the advantage of greatly enhancing the mechanical strength of the coil.
Description
Technical Field
The application relates to a compressing device of an oil immersed type electric arc furnace transformer, in particular to a device for enhancing the longitudinal mechanical strength of a coil of an electric furnace transformer.
Background
The electric furnace is an important technological equipment of various departments of national economy. In the metallurgical industry, electric furnaces are used to smelt high quality alloy steels, ferroalloys, etc.; in the chemical industry, electric furnaces are used to produce yellow phosphorus, calcium carbide, synthetic resins, and the like; in the mechanical industry, electric furnaces are used for the smelting of cast steel and cast iron, and the like. The electric furnace transformer as an electric furnace power supply is a heart of various electric furnaces. Because of the severe working environment and large short-circuit current, the short-circuit impact on the transformer coil is large, and the mechanical strength of the transformer coil is difficult to ensure in the prior art.
Disclosure of Invention
The invention aims to provide a device for enhancing the longitudinal mechanical strength of a coil of an electric furnace transformer so as to overcome the defects in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the embodiment of the application discloses vertical mechanical strength device of electric stove transformer reinforcing coil, including a plurality of coils that set up side by side, this a plurality of coils are fixed through a clamping assembly, clamping assembly includes first clamping lever, second clamping lever, third clamping lever, fourth clamping lever, first clamping lever and second clamping lever set up in this a plurality of coil top surfaces along a plurality of coil arrangement direction symmetries, third clamping lever symmetry in first clamping lever set up in the coil bottom surface, fourth clamping lever symmetry in the second clamping lever set up in the coil bottom surface, this a plurality of coils of first clamping lever and third clamping lever, second clamping lever and fourth clamping lever centre gripping, be fixed through a plurality of vertical tensioning screw rods between first clamping lever and third clamping lever, second clamping lever and the fourth clamping lever respectively, be fixed through a plurality of horizontal tensioning screw rods between first clamping lever and second clamping lever, third clamping lever and the fourth clamping lever respectively.
Preferably, in the electric furnace transformer coil longitudinal mechanical strength enhancing device, the first clamping rod and the second clamping rod, and the third clamping rod and the fourth clamping rod are respectively fixed through left and right transverse tensioning screws.
Preferably, in the electric furnace transformer coil longitudinal mechanical strength enhancing device, the first clamping rod and the third clamping rod, and the second clamping rod and the fourth clamping rod are respectively fixed through four longitudinal tensioning screws which are sequentially arranged.
Preferably, in the electric furnace transformer coil longitudinal mechanical strength reinforcing device, the coils are arranged side by side.
Preferably, in the device for enhancing the longitudinal mechanical strength of the coil of the electric furnace transformer, two cushion blocks are respectively arranged between the first clamping rod, the second clamping rod, the third clamping rod, the fourth clamping rod and the coil.
Preferably, in the device for enhancing the longitudinal mechanical strength of the coil of the electric furnace transformer, the first clamping rod is symmetrically protruded to the second clamping rod, the second clamping rod is symmetrically protruded to the first clamping rod, the third clamping rod is symmetrically protruded to the fourth clamping rod, the fourth clamping rod is symmetrically protruded to the third clamping rod, angle steel is symmetrically arranged up and down, the coil is clamped by the angle steel, and a cushion block is arranged between the angle steel and the coil.
More preferably, in the electric furnace transformer reinforcing coil longitudinal mechanical strength device, the surface of the angle steel abutting against the cushion block is convexly provided with round steel, and the surface of the cushion block is concavely provided with a round groove for clamping the round steel.
More preferably, in the electric furnace transformer reinforcing coil longitudinal mechanical strength device, an oil convection space is formed between two oppositely arranged angle steels.
Compared with the prior art, the invention has the advantages that the mechanical strength of the coil is greatly enhanced, and the effect of the transformer oil is more effectively exerted.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a top view of a device for enhancing the longitudinal mechanical strength of a coil of an electric furnace transformer in accordance with an embodiment of the present invention;
FIG. 2 is a front view of a device for enhancing the longitudinal mechanical strength of a coil of an electric furnace transformer in accordance with an embodiment of the present invention;
FIG. 3 is a bottom view of a device for enhancing the longitudinal mechanical strength of a coil of an electric furnace transformer (coil not shown) in accordance with an embodiment of the present invention;
fig. 4 is a schematic view of angle steel in an embodiment of the invention.
Detailed Description
The following detailed description of the technical solutions according to the embodiments of the present invention will be given with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-4, the device for enhancing the longitudinal mechanical strength of a coil of an electric furnace transformer comprises three coils 100 arranged side by side, wherein the three coils 100 are fixed by a clamping assembly 200, the clamping assembly 200 comprises a first clamping rod 210, a second clamping rod 220, a third clamping rod 230 and a fourth clamping rod 240, the first clamping rod 210 and the second clamping rod 220 are symmetrically arranged on the top surface of the three coils 100 along the arrangement direction of the three coils 100, the third clamping rod 230 is symmetrically arranged on the bottom surface of the coils 100, the fourth clamping rod 240 is symmetrically arranged on the bottom surface of the second clamping rod 220, the first clamping rod 210 and the third clamping rod 230, the second clamping rod 220 and the fourth clamping rod 240 clamp the three coils 100, the first clamping rod 210 and the third clamping rod 230, the second clamping rod 220 and the fourth clamping rod 240 are respectively fixed by four longitudinal tensioning screws 250 which are sequentially arranged, and the first clamping rod 210 and the second clamping rod 220, and the third clamping rod 230 and the fourth clamping rod 240 are respectively fixed by two transverse tensioning screws 260 which are symmetrically arranged.
The clamping assembly forms a three-dimensional integral body and clamps the coil, so that the stability of three dimensions of the coil is respectively maintained, and the mechanical strength is greatly enhanced.
Further, two pads 300 are respectively disposed between the first clamping bar 210, the second clamping bar 220, the third clamping bar 230, the fourth clamping bar 240 and the coil 100.
Preventing damage to the coil.
Further, the first clamping rod 210 symmetrically protrudes towards the second clamping rod 220, the second clamping rod 220 towards the first clamping rod 210, the third clamping rod 230 towards the fourth clamping rod 240 and the fourth clamping rod 240 towards the third clamping rod 230 to form angle steels 400, the vertically symmetrically arranged angle steels 400 clamp the coil 100, and a cushion block 300 is arranged between the angle steels 400 and the coil 100. Round steel 410 protrudes from the surface of the angle steel 400, which abuts against the cushion block 300, and a round groove 310 for clamping the round steel 410 is concavely arranged on the surface of the cushion block 300.
The setting of angle steel can further strengthen mechanical strength to owing to the gomphosis through round steel and circular slot between angle steel and the cushion is further fixed the back, further strengthened mechanical strength.
Further, an oil convection space 500 is formed between the opposite two angle steels 400.
The flow of oil is not blocked, and the cooling effect is good.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing is merely exemplary of the application and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the application and are intended to be comprehended within the scope of the application.
Claims (4)
1. The utility model provides an electric furnace transformer reinforcing coil vertical mechanical strength device, its characterized in that includes a plurality of coils (100) that set up side by side, and this a plurality of coils (100) are fixed through a clamping component (200), clamping component (200) include first clamp bar (210), second clamp bar (220), third clamp bar (230), fourth clamp bar (240), first clamp bar (210) and second clamp bar (220) set up in this a plurality of coils (100) top surface along a plurality of coil (100) range direction symmetry, third clamp bar (230) symmetrical in first clamp bar (210) set up in coil (100) bottom surface, fourth clamp bar (240) symmetrical in second clamp bar (220) set up in coil (100) bottom surface, first clamp bar (210) and third clamp bar (230), second clamp bar (220) and fourth clamp bar (240) centre gripping this a plurality of coils (100), first clamp bar (210) and third clamp bar (230), second clamp bar (220) and fourth clamp bar (220) pass through between the vertical tie rod (260) and the fixed screw rod (220) respectively between a plurality of clamp bar (210) and fourth clamp bar (220), the coil is characterized in that the third clamping rod (230) and the fourth clamping rod (240) are respectively fixed through left and right two transverse tensioning screws (260), the first clamping rod (210) and the third clamping rod (230), the second clamping rod (220) and the fourth clamping rod (240) are respectively fixed through four longitudinal tensioning screws (250) which are sequentially arranged, two cushion blocks (300) are respectively arranged between the first clamping rod (210), the second clamping rod (220), the third clamping rod (230), the fourth clamping rod (240) and the coil (100), the first clamping rod (210) and the third clamping rod (230) are respectively symmetrically protruded to form angle steels (400) towards the fourth clamping rod (240), the angle steels (400) which are vertically symmetrically arranged clamp the coil (100), and the cushion blocks (300) are arranged between the angle steels (400) and the coil (100).
2. The electric furnace transformer coil longitudinal mechanical strength enhancement device according to claim 1, characterized in that the coils (100) are arranged side by side with three.
3. The electric furnace transformer coil longitudinal mechanical strength reinforcing device according to claim 1, wherein the angle steel (400) is provided with a round steel (410) protruding from the surface of the cushion block (300), and the round groove (310) for clamping the round steel (410) is concavely arranged on the surface of the cushion block (300).
4. The electric furnace transformer coil longitudinal mechanical strength reinforcing device according to claim 1, wherein an oil convection space (500) is formed between two oppositely disposed angle steels (400).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811190388.0A CN109243777B (en) | 2018-10-12 | 2018-10-12 | Device for enhancing longitudinal mechanical strength of coil of electric furnace transformer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811190388.0A CN109243777B (en) | 2018-10-12 | 2018-10-12 | Device for enhancing longitudinal mechanical strength of coil of electric furnace transformer |
Publications (2)
Publication Number | Publication Date |
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CN109243777A CN109243777A (en) | 2019-01-18 |
CN109243777B true CN109243777B (en) | 2024-04-09 |
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CN201811190388.0A Active CN109243777B (en) | 2018-10-12 | 2018-10-12 | Device for enhancing longitudinal mechanical strength of coil of electric furnace transformer |
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CN (1) | CN109243777B (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN204088010U (en) * | 2014-09-12 | 2015-01-07 | 江苏新特变科技股份有限公司 | Oil-filled transformer |
CN205845654U (en) * | 2016-07-19 | 2016-12-28 | 长城电器集团上海有限公司 | A kind of device body clamping structure of amorphous alloy transformer |
CN208722701U (en) * | 2018-10-12 | 2019-04-09 | 江苏新特变科技股份有限公司 | Furnace transformer intensifier coil longitudinal direction mechanical strength device |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3124985B1 (en) * | 2015-07-27 | 2018-01-31 | ABB Schweiz AG | Method for classifying the status of the winding clamping of a power transformer |
-
2018
- 2018-10-12 CN CN201811190388.0A patent/CN109243777B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN204088010U (en) * | 2014-09-12 | 2015-01-07 | 江苏新特变科技股份有限公司 | Oil-filled transformer |
CN205845654U (en) * | 2016-07-19 | 2016-12-28 | 长城电器集团上海有限公司 | A kind of device body clamping structure of amorphous alloy transformer |
CN208722701U (en) * | 2018-10-12 | 2019-04-09 | 江苏新特变科技股份有限公司 | Furnace transformer intensifier coil longitudinal direction mechanical strength device |
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CN109243777A (en) | 2019-01-18 |
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