CN201678702U - Resultant magnetic field online rail welding seam normalizing medium frequency inductor - Google Patents
Resultant magnetic field online rail welding seam normalizing medium frequency inductor Download PDFInfo
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- CN201678702U CN201678702U CN2010201303314U CN201020130331U CN201678702U CN 201678702 U CN201678702 U CN 201678702U CN 2010201303314 U CN2010201303314 U CN 2010201303314U CN 201020130331 U CN201020130331 U CN 201020130331U CN 201678702 U CN201678702 U CN 201678702U
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- inductor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The utility model discloses a resultant magnetic field online rail welding seam normalizing medium frequency inductor, relates to the medium frequency induction heating field and aims to overcome the defects in roaring flame normalizing treatment. The medium frequency inductor comprises a pair of identical and symmetric sub inductors, the shape of the inner sides of the sub inductors corresponds with the shape of the half section of a rail, and the two sub inductors are buckled with each other to wrap the online rail; the contact surface of the two buckled sub inductors is insulated. The medium frequency inductor can be buckled to wrap the rail welded in a line and realizes the online rail welding seam medium frequency normalizing treatment; compared with the roaring flame normalizing technique, the medium frequency induction heating has the advantages that: (1) the diathermancy is good, the temperature rise is quick, the core surface temperature difference is small and the heating efficiency is high; (2) the medium frequency induction heating belongs to electric heating, can easily realize automatic heating process and ensure the consistency of the normalizing treatment quality; (3) the medium frequency induction heating has tiny oxidation effect on the surface of the rail and improves the surface quality of the heated rail; and (4) the medium frequency induction heating facilitates applying a far infrared thermometer and realizes the temperature closed-loop control of the heating process.
Description
Technical field
The utility model relates to the Frequency Induction Heating field, refers to the online steel rail welding line normalizing of a kind of resultant magnetic field formula intermediate frequency inductor particularly.
Background technology
The process of deployment of modern railways is, with 100 meters long short rail, utilizes flashwelding machine to be welded into 500 meters long rail between rail-welding vehicle earlier, longer rail is transported to circuit, utilizes flashwelding machine on the mobile rail-welding vehicle that long rail is welded and is linked to be circuit.
No matter between rail-welding vehicle, still on laying-out, the every welding of flashwelding machine once all can produce a weld seam, because the weld seam position is subjected to temperatures involved, the metal structure fragility at weld seam position increases, and toughness descends.Plasticity, toughness and raising weld seam comprehensive mechanical performance in order to improve weld seam are necessary each weld seam is carried out normalizing treatment.Between rail-welding vehicle, utilize the Frequency Induction Heating principle, a hollow induction coil of annular is enclosed within (rail 3 places in the coil) on the long rail, utilize the main flux in the coil, successively each weld seam is carried out electromagnetic induction heating, finish long rail weld seam normalizing treatment (in its user mode and principle such as the Figure of description illustrated in figures 1 and 2) in the workshop; And on the line, long rail has welded and has been linked to be circuit, and be fixed on (cement) sleeper, the annular normalizing ruhmkorff coil that can between rail-welding vehicle, use, can't be enclosed within on the rail that is linked to be circuit,, still adopt roaring flame normalizing process (this technology is eliminated in workshop weld seam normalizing already) so current rail is laid the building site, roaring flame normalizing (acetylene baked wheaten cake) process is that the naked light heating is carried out on the steel rail welding line surface, thereby has following shortcoming:
(1) naked light heating, surperficial quick heating, the inner intensification slowly, heating efficiency is low;
(2) flame heating, the core table temperature difference is big, and it is inhomogeneous to be heated, and normalizing is of poor quality;
(3) roaring flame normalizing process is used comburant oxygen, causes the rail surface oxidized, produces thicker oxide skin, influences the rail surface quality;
(4) the naked light heating is difficult to realize control and temperature detection automatically, so be difficult to guarantee the consistence of weld seam normalizing quality.
The utility model content
The purpose of this utility model just provides the online steel rail welding line normalizing of a kind of resultant magnetic field formula intermediate frequency inductor, can use induction heating online rail is carried out normalizing treatment, to overcome the defective that above-mentioned roaring flame normalizing treatment exists.
For achieving the above object, the online steel rail welding line normalizing of the resultant magnetic field formula intermediate frequency inductor that can be used for realizing aforesaid method that the utility model provides, comprise a pair of identical and symmetric sub-inductor block, the inboard shape of one antithetical phrase inductor block is corresponding with half cross-sectional shape of rail respectively, be used for after two sub-inductor blocks fasten online rail being coated, coat the contact surface mutually insulated between the one antithetical phrase inductor block of back.
The sub-inductor block that uses in the above-mentioned normalizing intermediate frequency inductor is made of the hollow copper tubing that is wound on the magnetizer, described magnetizer is provided with groove near the inboard of rail, one side of described hollow copper tubing is embedded in the described groove, and the opposite side of described hollow copper tubing is wound in the outside surface of described magnetizer.
It is right to be respectively equipped with conducting plates on the one antithetical phrase inductor block, and each conducting plates is respectively equipped with insulcrete to the centre.A right conducting plates of conducting plates that conducting plates on sub-inductor block is right and the conducting plates on another sub-inductor block is fitted mutually.Right other two conducting platess of conducting plates are fitted mutually with the energising leading-out end respectively.
Described normalizing intermediate frequency inductor comprises that also a cover clamps device, after an antithetical phrase inductor block fastens, can clamp terminals and conducting plates is right, so that energising and fix an antithetical phrase inductor block.
Normalizing intermediate frequency inductor of the present utility model can fasten easily and be coated on the rail that is welded into circuit, realizes the online intermediate frequency normalizing treatment of steel rail welding line.Compare with the weld seam roaring flame normalizing process that adopts on the current steel rail laying circuit, have the following advantages:
(1) Frequency Induction Heating is better than flame heating diathermancy, temperature rise fast, the core table has a narrow range of temperature, the heating efficiency height;
(2) Frequency Induction Heating belongs to electrically heated, and heat-processed realizes automatization easily, guarantees the consistence of normalizing treatment quality;
(3) induction heating is minimum to the effect of rail surface oxidation, has improved the rail surface quality after the heating;
(4) induction heating steel rail welding line helps the application of far infrared temperature measurer, and heat-processed can realize temperature closed loop control, improves steel rail welding line normalizing quality.
Description of drawings
Structural representation when Fig. 1 is enclosed within on the rail for the air core coil inductor block that uses in having now between rail-welding vehicle;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 opens for two sub-inductor blocks in the intermediate frequency inductor of the present utility model and the structural representation when breaking away from rail;
Fig. 4 is the vertical view of Fig. 3;
Fig. 5 is the B-B sectional view of Fig. 3;
Structural representation when Fig. 6 is fastened on the rail for two sub-inductor blocks in the intermediate frequency inductor of the present utility model;
Fig. 7 is the vertical view of Fig. 6;
Fig. 8 is the C-C sectional view of Fig. 6;
Among the figure, (wherein: conducting plates is to two conducting platess 4.1,4.2 of 4 to 4,5 for sub-inductor block 1,2, rail 3, conducting plates; Conducting plates is to two conducting platess 5.1,5.2 of 5), insulcrete 6.1,6.2, gripping unit 7, energising leading-out end 8,9, magnetizer 10, a side 11.1 of hollow copper tubing, the opposite side 11.2 of hollow copper tubing.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail:
Fig. 1 and Fig. 2 be between existing rail-welding vehicle, and the structural representation of electromagnetic induction heating is carried out in the commissure that is enclosed within rail 3 with annular air core coil inductor block, and its principle of work repeats no more in this because of partly having done detailed introduction in background technology.
Because ring sensor can't be enclosed within on the rail of having laid 3, realize online rail is carried out normalizing treatment so the utility model proposes two sub-inductor blocks that utilization can separate and close up.Its heat-processed is: independently and identical sub-inductor block is coated on the face of weld of online rail with two, and the inboard shape after two sub-inductor blocks fasten and the cross-sectional shape of rail match; Online rail is coated the contact surface mutually insulated of latter two sub-inductor block, the antithetical phrase inductor block feeds medium frequency alternating current, and the magnetic line of force direction of magnetic field in online rail with two sub-each self-formings of inductor block is all excellent mutually, and then produce eddy current and the heating that heats up, thereby finish the normalizing treatment process at online steel rail welding line place.Sub-inductor block mainly is made of the hollow copper tubing that is wound on the magnetizer, and its magnetizer is provided with groove near the inboard of rail, and a side of hollow copper tubing is embedded in this groove, and the opposite side of hollow copper tubing is wound in the outside surface of magnetizer.Because the magnetic resistance of magnetizer is very little, rail itself also is good magnetizer, so the main flux of sub-inductor block will be cut rail and form magnetic loop, the effect of synthesizing generation electromagnetic induction heating in rail of two groups of alternating magnetic fields of two sub-inductor block generations is identical with the single hollow ring sensor effect of using between rail-welding vehicle.
To shown in Figure 8, the online steel rail welding line normalizing of resultant magnetic field of the present utility model formula intermediate frequency inductor comprises a pair of identical and symmetric sub-inductor block 1,2 and can be with an antithetical phrase inductor block 1,2 fixed gripping units 7 as Fig. 3.Be respectively equipped with conducting plates on the one antithetical phrase inductor block 1,2 to 4,5 and folded insulcrete 6.1,6.2. Sub-inductor block 1,2 is made of the hollow copper tubing that is wound on the magnetizer 10.Magnetizer 10 is provided with groove near the inboard of rail, and a side 11.1 of hollow copper tubing promptly is embedded in the above-mentioned groove, and the opposite side 11.2 of hollow copper tubing is wound in the outside surface of magnetizer 10.Conducting plates on sub-inductor block 1 is fitted to a conducting plates 5.2 of 5 with the conducting plates on another sub-inductor block 2 mutually to a conducting plates 4.2 of 4.Conducting plates is fitted with energising leading-out end 8,9 respectively mutually to other two conducting platess 4.1,5.1 of 4,5.The inboard shape of one antithetical phrase inductor block 1,2 is corresponding with half cross-sectional shape of rail 3 respectively, is used for after two sub-inductor blocks 1,2 fasten online rail 3 being coated.
When using this intermediate frequency inductor to heat, an antithetical phrase inductor block 1,2 is opened, as shown in Figure 3 and Figure 4; Next, an open antithetical phrase inductor block 1,2 is fastened and envelopes the online rail 3 of commissure, and fixing by gripping unit 7, and after the clamping, electric current of intermediate frequency can send electricity by energising leading-out end 8,9 and conducting plates 4.1,5.1, as shown in Figure 6 and Figure 7; Two sub-inductor block 1,2 energising backs produce alternating magnetic field, and in rail 3, produce eddy current, realization is to the heating of online rail 3 commissures, and the flow graph of the mains field of the single sub-inductor block 1 in Fig. 3 left side and two sub-inductor block 1,2 generations respectively as shown in Figure 5 and Figure 8.Utilize of the present utility model can be separately and the intermediate frequency inductor that closes up, can carry out Frequency Induction Heating to online rail 3 easily, realize the normalizing treatment of weld seam.
Claims (4)
1. the online steel rail welding line normalizing of resultant magnetic field formula intermediate frequency inductor, it is characterized in that: it comprises a pair of identical and symmetric sub-inductor block (1,2), the inboard shape of one antithetical phrase inductor block (1,2) is corresponding with half cross-sectional shape of rail (3) respectively, is used for after two sub-inductor blocks fasten online rail (3) being coated; Coat the contact surface mutually insulated between back one antithetical phrase inductor block (1,2).
2. the online steel rail welding line normalizing of resultant magnetic field according to claim 1 formula intermediate frequency inductor, it is characterized in that: described sub-inductor block (1,2) is made of the hollow copper tubing that is wound on the magnetizer (10), described magnetizer (10) is provided with groove near the inboard of rail, one side (11.1) of described hollow copper tubing is embedded in the described groove, and the opposite side of described hollow copper tubing (11.2) is wound in the outside surface of described magnetizer (10).
3. the online steel rail welding line normalizing of resultant magnetic field according to claim 1 and 2 formula intermediate frequency inductor, it is characterized in that: an antithetical phrase inductor block (1,2) be respectively equipped with conducting plates on to (4,5), each conducting plates is to (4,5) be respectively equipped with insulcrete (6.1 in the middle of, 6.2), conducting plates on the sub-inductor block (1) is fitted to a conducting plates (5.2) of (5) with the conducting plates on another sub-inductor block (2) mutually to a conducting plates (4.2) of (4), and conducting plates is to (4,5) other two conducting platess (4.1,5.1) respectively with the energising leading-out end (8,9) fit mutually.
4. the online steel rail welding line normalizing of resultant magnetic field according to claim 3 formula intermediate frequency inductor is characterized in that: it also comprises can be with an antithetical phrase inductor block (1,2) fixed gripping units (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201303314U CN201678702U (en) | 2010-03-09 | 2010-03-09 | Resultant magnetic field online rail welding seam normalizing medium frequency inductor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010201303314U CN201678702U (en) | 2010-03-09 | 2010-03-09 | Resultant magnetic field online rail welding seam normalizing medium frequency inductor |
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| CN201678702U true CN201678702U (en) | 2010-12-22 |
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| CN2010201303314U Expired - Lifetime CN201678702U (en) | 2010-03-09 | 2010-03-09 | Resultant magnetic field online rail welding seam normalizing medium frequency inductor |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101792991A (en) * | 2010-03-09 | 2010-08-04 | 武汉利德测控技术股份有限公司 | Synthetic magnetic field type on-line steel rail welding seam normalizing treatment method and normalizing middle-frequency inductor |
| CN103521935A (en) * | 2013-09-29 | 2014-01-22 | 常州市瑞泰工程机械有限公司 | Steel rail induction butt welding and heat treatment method |
| CN103821053A (en) * | 2014-01-03 | 2014-05-28 | 北京燕雅鼎信工控技术有限公司 | Coil servo positioning system of normalizing equipment and normalizing equipment with same |
| CN106834660A (en) * | 2015-12-03 | 2017-06-13 | 上海工程技术大学 | A kind of circuit steel rail weld joint mid frequency induction hardening control method |
| CN107142367A (en) * | 2017-06-22 | 2017-09-08 | 中国铁道科学研究院金属及化学研究所 | A kind of heel end forging and stamping section heat treatment mechanism of burning optimization on line AT rail |
| CN108220571A (en) * | 2016-12-22 | 2018-06-29 | 上海工程技术大学 | A kind of rail welding head normalizing system |
-
2010
- 2010-03-09 CN CN2010201303314U patent/CN201678702U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101792991A (en) * | 2010-03-09 | 2010-08-04 | 武汉利德测控技术股份有限公司 | Synthetic magnetic field type on-line steel rail welding seam normalizing treatment method and normalizing middle-frequency inductor |
| CN103521935A (en) * | 2013-09-29 | 2014-01-22 | 常州市瑞泰工程机械有限公司 | Steel rail induction butt welding and heat treatment method |
| CN103821053A (en) * | 2014-01-03 | 2014-05-28 | 北京燕雅鼎信工控技术有限公司 | Coil servo positioning system of normalizing equipment and normalizing equipment with same |
| CN106834660A (en) * | 2015-12-03 | 2017-06-13 | 上海工程技术大学 | A kind of circuit steel rail weld joint mid frequency induction hardening control method |
| CN106834660B (en) * | 2015-12-03 | 2018-09-18 | 上海工程技术大学 | A kind of circuit steel rail weld joint mid frequency induction hardening control method |
| CN108220571A (en) * | 2016-12-22 | 2018-06-29 | 上海工程技术大学 | A kind of rail welding head normalizing system |
| CN108220571B (en) * | 2016-12-22 | 2023-11-28 | 上海工程技术大学 | Normalizing system for steel rail welding head |
| CN107142367A (en) * | 2017-06-22 | 2017-09-08 | 中国铁道科学研究院金属及化学研究所 | A kind of heel end forging and stamping section heat treatment mechanism of burning optimization on line AT rail |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20101222 Effective date of abandoning: 20110928 |