CN204721644U - A kind of multilayer induction coil - Google Patents
A kind of multilayer induction coil Download PDFInfo
- Publication number
- CN204721644U CN204721644U CN201520399965.2U CN201520399965U CN204721644U CN 204721644 U CN204721644 U CN 204721644U CN 201520399965 U CN201520399965 U CN 201520399965U CN 204721644 U CN204721644 U CN 204721644U
- Authority
- CN
- China
- Prior art keywords
- induction coil
- multilayer
- epoxy resin
- connecting elements
- resin board
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000006698 induction Effects 0.000 title claims abstract description 63
- 239000003822 epoxy resin Substances 0.000 claims abstract description 27
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 27
- 239000011521 glass Substances 0.000 claims abstract description 18
- 238000009413 insulation Methods 0.000 claims abstract description 10
- 239000011248 coating agent Substances 0.000 claims abstract description 8
- 238000000576 coating method Methods 0.000 claims abstract description 8
- 238000007654 immersion Methods 0.000 claims abstract description 8
- 239000003973 paint Substances 0.000 claims abstract description 8
- 229910001369 Brass Inorganic materials 0.000 claims description 14
- 239000010951 brass Substances 0.000 claims description 14
- 229910052802 copper Inorganic materials 0.000 claims description 12
- 239000010949 copper Substances 0.000 claims description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 11
- 239000002966 varnish Substances 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 abstract description 13
- 239000010959 steel Substances 0.000 abstract description 13
- 229910000881 Cu alloy Inorganic materials 0.000 abstract description 11
- 238000010438 heat treatment Methods 0.000 abstract description 10
- 229910052751 metal Inorganic materials 0.000 abstract description 10
- 239000002184 metal Substances 0.000 abstract description 10
- 230000008439 repair process Effects 0.000 abstract description 6
- 238000005275 alloying Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 9
- 238000000137 annealing Methods 0.000 description 4
- 238000005266 casting Methods 0.000 description 4
- 238000003618 dip coating Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000005868 electrolysis reaction Methods 0.000 description 3
- 238000009418 renovation Methods 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 206010068052 Mosaicism Diseases 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- General Induction Heating (AREA)
Abstract
The utility model provides a kind of multilayer induction coil, this multilayer induction coil comprises induction coil assembly and connecting elements, induction coil assembly is made up of the epoxy resin board be socketed inside induction coil and coil, the skin of induction coil and connecting elements is all tied with glass tape and insulation paint immersion coating, and connecting elements is connected with the interface of adjacent two induction coils respectively; Multiple induction coil assembly is socketed successively and forms multilayer induction coil; Glass tape is tied with and insulation paint immersion coating at the outermost layer of multilayer induction coil.The utility model not only increases the efficiency of heating surface in the repair process of steel backing copper alloy dual-metal lining, shortens heating time, and after making reparation, the alloying component of product meets technological requirement; And improve processing safety, ensure the life security of operating personnel.
Description
Technical field
The utility model relates to a kind of multilayer induction coil, is specifically related to the multilayer induction coil in a kind of casting flaw for steel backing copper alloy dual-metal lining reparation operating mode.
Background technology
Steel backing copper alloy dual-metal lining take steel backing as carrier, can bear top load, can be consistent again with the linear expansion coefficient of pedestal; Simultaneously, steel backing copper alloy dual-metal lining with excellent alloy copper sliding axletree material for lining, good friction pair can be formed with various quenching axle, there is good mosaicism and running-in ability, when high speed have oil lubrication and low speed time oil-free lubrication state under all can effectively work.The quality of steel backing copper alloy dual-metal lining directly affects the fail safe of locomotive, aircraft and automobile etc., belong to one of key components and parts, generally casting flaw has not been allowed to produce, and do not repair casting flaw by techniques such as repair weldings, there is the product of casting flaw generally all to carry out and scrap process.
In the repair process of steel backing copper alloy dual-metal lining, induction heating equipment can be used, if but indiscriminately imitate the induction coil of conventional induction heating equipment, can cause that the heating time of repair process is long, the efficiency of heating surface is low, and atoms permeating time in steel backing and alloy-layer longly causes the iron atom quantity in alloy-layer many, easily exceed in alloy-layer the content allowing ferro element to exist, finally cause repairing rear product and require because alloying component does not reach and scrap.In addition, due to induction coil and the long close contact of operating personnel, if the induction coil coefficient of safety used is not high enough, the safety of operating personnel will be badly influenced, above problem will cause the failure of steel backing copper alloy dual-metal lining renovation technique, thus does not reach the working condition requirement of renovation technique.
Summary of the invention
There is above shortcoming and defect in the application to overcome existing induction coil, the purpose of this utility model is to provide a kind of multilayer induction coil, for improving the efficiency of heating surface and processing safety, to meet the requirement in steel backing copper alloy dual-metal lining renovation technique.
The utility model solves the technical scheme that its technical problem adopts:
A kind of multilayer induction coil, comprise induction coil assembly and connecting elements, induction coil assembly is made up of the epoxy resin board be socketed inside induction coil and coil, the skin of described induction coil and connecting elements is all tied with glass tape and insulation paint immersion coating, and described connecting elements connects the interface of adjacent two induction coils; Multiple induction coil assembly is socketed successively and forms described multilayer induction coil; Glass tape is tied with and insulation paint immersion coating at the outermost layer of multilayer induction coil.
Described glass tape and insulating varnish adopt single or multiple lift; The thickness of described epoxy resin board is 1 ~ 2mm.
The periphery of described multilayer induction coil is also provided with brass bolt and copper nut, and brass bolt is fixed with epoxy resin board.
Described brass bolt is arranged along the circumferencial direction of multilayer induction coil at interval of 90 ° of welding one; The thickness of epoxy resin board fixing on described brass bolt is more than or equal to 3mm.
The multilayer induction coil that the utility model provides, not only increases the efficiency of heating surface in the repair process of steel backing copper alloy dual-metal lining, shortens heating time, and after making reparation, the alloying component of product meets technological requirement; And improve processing safety, ensure the life security of operating personnel.Specifically, the good insulating such as (1) epoxy resin board, insulating varnish and glass tape, ensure that the fail safe in operating process, and intensity are high, play good supporting role; (2) use of connecting elements makes the preparation technology of multilayer induction coil become simply from complexity, and dimensional stability is better, it also avoid the repeatedly annealing in process of induction coil; (3) induction coil is set to multilayer, substantially increases the efficiency of heating surface, effectively controls the atoms permeating in steel backing and copper alloy, ensure that the chemical composition of product, meets technological requirement.(4) in addition, it is simple that multilayer induction coil of the present utility model not only has structure, and easy to use, the advantage that operating efficiency is high, and the investment and the use cost that greatly reduce steel backing copper alloy dual-metal lining, have higher practical prospect.
Accompanying drawing explanation
Fig. 1 is the double-deck induction coil configuration schematic diagram in the utility model embodiment;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the sectional view of connecting elements.
Wherein, 1-brass bolt, 2-outer coil, 3a-first epoxy resin board, 3b-second epoxy resin board, 3c-the 3rd epoxy resin board, 4-inner coil, 5-glass tape, 6-copper nut, 7-connecting elements, 8-insulating varnish.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
As shown in Figure 1, 2, the present embodiment adopts double-deck induction coil, comprises inner coil 4, outer coil 2, connecting elements 7, brass bolt 1, copper nut 6, epoxy resin board, glass tape 5 and insulating varnish 8.The skin of inner coil 4, outer coil 2 and connecting elements 7 is all tied with glass tape 5 and insulation paint immersion coating 8; The inside of outer coil 2 and inner coil 4 is socketed one deck first epoxy resin board 3a and the second epoxy resin board 3b respectively, and outer coil 2 is positioned at the outside of inner coil 4, is tied with glass tape 5 in the outermost of outer coil 2, then insulation paint immersion coating 8; Connecting elements 7 is connected with the interface of inner coil 4 and outer coil 2 respectively.
Wherein, the insulating varnish 8 of the outer dip-coating of inner coil 4, outer coil 2 and connecting elements 7 and the glass tape 5 be tied with are 2 layers, increase security performance.
The double-deck induction coil configuration of the present embodiment is in outer coil 2, be socketed one deck first epoxy resin board 3a, then is socketed inner coil 4 in the first epoxy resin board 3a, on the basis of inner coil 4, be finally socketed one deck second epoxy resin board 3b; The thickness of the first epoxy resin board 3a and the second epoxy resin board 3b is 1 ~ 2mm.
In the periphery of double-deck induction coil every 90 ° of direction welding one row brass bolts 1, brass bolt 1 is fixed with the 3rd epoxy resin board 3c and copper nut 6, the excesssive gap in induction coil between single coil can be avoided like this, to fix better double-deck induction coil configuration, the dimensional stability of induction coil can be ensured.The thickness of the 3rd epoxy resin board 3c is more than or equal to 3mm.
The concrete steps of the preparation method of the double-deck induction coil of the present embodiment are as follows:
The first step, carries out 680 DEG C of insulation 30min annealing in process in electric furnace by anaerobic electrolysis copper pipe, and according to dimensional requirement, by the inner coil 4 of coiling two different-diameters and the outer coil 2 on mould respectively of the anaerobic electrolysis copper pipe after annealing;
Second step, in the periphery of double-deck induction coil every 90 ° of direction welding one row brass bolts 1, and fixes the 3rd epoxy resin board 3c and the copper nut 6 of 5mm thickness, and carries out 630 DEG C of insulation 60min annealing in process on brass bolt 1;
3rd step, is wound on glass tape 5 on the copper pipe periphery of outer coil 2 and inner coil 4, and dip-coating one deck insulating varnish 8 is also air-dry;
4th step, is wound on inner coil 4 and outer coil 2 that the 3rd step handles well by glass tape 5; Dip-coating one deck insulating varnish 8 is also air-dry;
5th step, the first epoxy resin board 3a that one deck 1mm is thick is first socketed in the outer coil 2 that the 4th step is handled well, in the first epoxy resin board 3a, be socketed inner coil 4 again, on inner coil 4 basis, be finally socketed the thick second epoxy resin board 3b of one deck 1mm, form double-deck induction coil;
3 layers of glass tape are wound on the periphery of double-deck induction coil by the 6th step, and dip-coating one deck insulating varnish 8 is also air-dry;
7th step, first prepares connecting elements 7: on anaerobic electrolysis copper pipe, be wound with glass tape 5 and be brushed with insulating varnish 8, can repetitive operation once (as shown in Figure 3); Then the two ends of connecting elements 7 adopt fixed copper nut to be connected on the interface of inner coil 4 and outer coil 2.
Claims (4)
1. a multilayer induction coil, it is characterized in that, described multilayer induction coil comprises induction coil assembly and connecting elements, induction coil assembly is made up of the epoxy resin board be socketed inside induction coil and coil, the skin of described induction coil and connecting elements is all tied with glass tape and insulation paint immersion coating, and described connecting elements connects the interface of adjacent two induction coils; Multiple induction coil assembly is socketed successively and forms described multilayer induction coil; Glass tape is tied with and insulation paint immersion coating at the outermost layer of multilayer induction coil.
2. a kind of multilayer induction coil as claimed in claim 1, is characterized in that, described glass tape and insulating varnish adopt single or multiple lift; The thickness of described epoxy resin board is 1 ~ 2mm.
3. a kind of multilayer induction coil as claimed in claim 1, is characterized in that, the periphery of described multilayer induction coil is also provided with brass bolt and copper nut, and brass bolt is fixed with epoxy resin board.
4. a kind of multilayer induction coil as claimed in claim 3, is characterized in that: described brass bolt arranges a row along the circumferencial direction of multilayer induction coil at interval of 90 °; The thickness of epoxy resin board fixing on described brass bolt is more than or equal to 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520399965.2U CN204721644U (en) | 2015-06-11 | 2015-06-11 | A kind of multilayer induction coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520399965.2U CN204721644U (en) | 2015-06-11 | 2015-06-11 | A kind of multilayer induction coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204721644U true CN204721644U (en) | 2015-10-21 |
Family
ID=54320601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520399965.2U Expired - Fee Related CN204721644U (en) | 2015-06-11 | 2015-06-11 | A kind of multilayer induction coil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204721644U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104918344A (en) * | 2015-06-11 | 2015-09-16 | 南车戚墅堰机车车辆工艺研究所有限公司 | Multilayer induction coil and preparation method thereof |
-
2015
- 2015-06-11 CN CN201520399965.2U patent/CN204721644U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104918344A (en) * | 2015-06-11 | 2015-09-16 | 南车戚墅堰机车车辆工艺研究所有限公司 | Multilayer induction coil and preparation method thereof |
| CN104918344B (en) * | 2015-06-11 | 2016-08-24 | 南车戚墅堰机车车辆工艺研究所有限公司 | A kind of multilamellar induction coil and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 213011 Wuyi Road, Jiangsu, Changzhou, No. 258 Patentee after: CRRC QISHUYAN INSTITUTE Co.,Ltd. Address before: 213011 Wuyi Road, Qishuyan District, Jiangsu, China, No. 258, No. Patentee before: CSR QISHUYAN INSTITUTE Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151021 |
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| CF01 | Termination of patent right due to non-payment of annual fee |