CN2575109Y - Coal-saving device pipe for spraying composite coating with supersonic speed arc spraying equipment - Google Patents
Coal-saving device pipe for spraying composite coating with supersonic speed arc spraying equipment Download PDFInfo
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- CN2575109Y CN2575109Y CN 02276104 CN02276104U CN2575109Y CN 2575109 Y CN2575109 Y CN 2575109Y CN 02276104 CN02276104 CN 02276104 CN 02276104 U CN02276104 U CN 02276104U CN 2575109 Y CN2575109 Y CN 2575109Y
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Abstract
The utility model discloses a medium frequency induction heating device used for the heat treatment of steel rails, which belongs to the technical field of a heating device for the heat treatment of metal. The utility model is composed of a coil 2, a magnetizer 3, a cooling water jacket 4, a circuit board 5, etc., wherein the coil 2 is a plurality of sets and a plurality of loops of half saddle shape copper pipes which are wound in a special way, the magnetizer 3 is a silicon steel sheet (set) in a specific shape, and the cooling water jacket 4 is used for cooling the magnetizer 3. The utility model is a novel medium frequency induction heating device capable of forming the heating mode of a transverse magnetic field on a rail head of a steel rail. The utility model overcomes the disadvantage that the existing medium frequency induction heating device in a steel rail is not favorable for the heating of a tread of the rail head, and the temperature difference between a round corner on the rail head and the tread can be greatly reduced; the uniformity of the heating temperature of different parts of the rail head is well improved; thus, the medium frequency induction heating device has the advantages of uniform heating, good quality, energy saving, low cost, etc.
Description
The utility model belongs to the heating installation technical field of used for metal thermal treatment, relates in particular to the rail intermediate frequency induction heating device that a kind of rail thermal treatment is used.
Along with the development of transportation by railroad, rail is required higher obdurability, wear resistance and fatigue resistance, to improve the work-ing life of rail to high speed, heavy duty and large conveying quantity direction.For the work-ing life and the performance that improve railway track, the home and abroad is all studied the rail heat treatment technics, and produces and have high-intensity heat-treated rail, to satisfy the needs of transportation by railroad fast development.At present, home and abroad rail heat-treatment production line is divided into two kinds on off-line production line and online production line.Wherein, in still occupying the off-line production line of main status, the rail heat-treatment production line with induction heating mode accounts for the overwhelming majority again.Should point out that the quality of heat-treated rail and performance will depend primarily on, heating installation relevant with thermal treatment process and cooling apparatus.And the heating installation of above-mentioned induction heating rail heat-treatment production line is exactly the rail intermediate frequency induction heating device.Therefore, the quality of heat-treated rail and performance, promptly closely related with the design quality of its intermediate frequency induction heating device.
We know, no matter difform steel are plate, pipe, section bar, every employing induction heating, all can be divided into " longitudinal magnetic field " heating or " transverse magnetic field " heating dual mode basically.Wherein, pipe, section bar adopts the former mode basically, and sheet material also has the latter's mode that adopts except that adopting the former.Here should point out that induction heating is a kind of magnetic line of force that is produced by " magnetoresistive effect ", and " eddy current " that the workpiece surface induction is produced direct acting inner heating.Above-mentioned " longitudinal magnetic field " refers to that promptly the magnetic line of force that it produced is vertical (promptly being parallel to workpiece radially) to penetrate the workpiece face; And " transverse magnetic field " refers to that promptly the magnetic line of force that it produced is that laterally (promptly perpendicular to workpiece radially) penetrates the workpiece face., up to the present, at home, in the outer rail thermal treatment, their existing intermediate frequency induction heating devices that adopts nearly all are " saddle type " induction heating devicees of same type.Because this class induction heating device all belongs to a kind of " longitudinal magnetic field " type of heating, and this induction heating mode, but all there is same shortcoming, when heating rail head of rail exactly, the Heating temperature at different sites place is inconsistent, makes that the temperature head between the fillet can be up to 50～120 ℃ on its tread and the rail head both sides; And be that the tread temperature is lower, the fillet temperature is too high on the rail head, and at the tread place visible one tangible " secret tunnel ".Like this, reach the predetermined heating temperature, just certainly will further improve fillet temperature on it in order to make tread, too high to cause local temperature, and then cause crystal grain thick, the deterioration of metallographic structure and performance, and the increase of energy consumption, cost etc.The shortcoming of above-mentioned existing induction heating device still not yet in effectly so far overcomes, and becomes a direct technical task that needs to be resolved hurrily that influences heat-treated rail quality and performance.
The purpose of this utility model is, " semisellar " intermediate frequency induction heating device of a kind of rail thermal treatment heating usefulness is provided, it can overcome the above-mentioned shortcoming of existing induction heating device, strengthens the heating of rail head tread, and makes the Heating temperature of its tread be higher than fillet place temperature on the rail head.And adopt " semisellar " of the present utility model induction heating device and the existing combined use of " saddle type " induction heating device, can obtain the good result of " learning from other's strong points to offset one's weaknesses " mutually.Like this, both improved the Heating temperature of rail head tread, and correspondingly again reduced the Heating temperature of fillet on the rail head, and then the temperature head of rail head different sites is reduced greatly, temperature is tending towards evenly more, has eliminated " secret tunnel " at rail head tread place fully.Because the basically identical of Heating temperature, it is too high not only to have overcome on the rail head temperature at fillet place, and the crystal grain that causes is thick, and tissue, mis-behave etc. again can be because of the power inputs that suitably reduces heating, and saves power consumption and reduce cost etc.
The purpose of this utility model, realize as follows: rail intermediate frequency induction heating device of the present utility model is a kind of " semisellar " intermediate frequency induction heating device, what it adopted is " transverse magnetic field " type of heating.It is made up of coil, magnetizer, watercooling jacket, wiring board etc.Wherein, coil is " semisellar " many groups, multi-loop copper tube by the ad hoc fashion coiling; Above-mentioned many group (being generally 4 groups or 2 groups) copper pipes, it is organized respectively by ad hoc fashion symmetry coiling " semisellar " multiturn (being generally 2 circles or single turn) copper pipe by each, parallel with one another again combining, and realized " transverse magnetic field " induction heating of rail head of rail.Because the above-mentioned multi-loop copper tube of respectively organizing, distinguish symmetrical coiling specified shape all be " semisellar ", Gu Te is referred to as " semisellar " heating unit or coil with this heating unit or coil.Simultaneously, when coiling " semisellar " coil, essential attention coiling direction, and make its each group mutually near in the copper pipe section side by side, the sense of current that is passed through all should be consistent, and cancels out each other with the magnetic line of force of avoiding its generation, and causes carrying out induction heating.In addition, the copper pipe of coil adopts the middle short side copper pipe of certain wall thickness to make usually.Material is a fine copper.During use, this side's copper pipe is inner to need water flowing to cool off.Magnetizer normally adopts the siliconized plate in groups of specified shape to be formed by stacking; The decoration form and the position of this magnetizer-siliconized plate (group), and the specified shape of each siliconized plate, all be for the magnetic line of force that makes its rail tread place is more intensive, and penetrate this place's upper layer, and then reach the purpose of the heating at reinforcing rail tread place in " transverse magnetic field " mode.In order to help the cooling of magnetizer-siliconized plate (group), the watercooling jacket that is provided with a group at an upper portion thereof, processes with copper sheet; In addition, two wiring boards making of the fine copper plate of useful specific dimensions also, and with it this intermediate frequency induction heating device is linked to each other with intermediate frequency transformer, so that the supply intermediate frequency power supply.
Because the utility model-rail intermediate frequency induction heating device, it extremely helps the heating of rail tread, has improved the Heating temperature at its tread place greatly; On the contrary, existing " saddle type " intermediate frequency induction heating device, but have following shortcoming just: when promptly heating, the Heating temperature at its tread place is lower.So it is " semisellar " of the present utility model intermediate frequency induction heating device is combined with existing " saddle type " intermediate frequency induction heating device, carry out man-to-man supporting use, can obtain the promising result of " learning from other's strong points to offset one's weaknesses " mutually, and then make the Heating temperature of rail head of rail more even, the temperature head of having eliminated its different sites is (common, this temperature head can only be 0～20 ℃), and reached and improve the quality of products and performance, and purpose energy-conservation, that reduce cost.Therefore, it just has homogeneous heating, and quality is good, and the performance height is energy-conservation, low cost and other advantages.
" semisellar " of the present utility model intermediate frequency induction heating device is not only applicable to the rail of different size and becomes the section rail, but also can be used for other various workpiece.
Below in conjunction with accompanying drawing, enforcement of the present utility model is described further.
Fig. 1, Fig. 2 are this rail intermediate frequency induction heating device figure;
Fig. 3, Fig. 4 are existing rail intermediate frequency induction heating device figure;
Fig. 5, Fig. 6 are the contrast synoptic diagram of " longitudinal magnetic field " magnetic line of force and " transverse magnetic field " magnetic line of force;
Fig. 7 is the coil winding mode and the sense of current synoptic diagram thereof of this rail intermediate frequency induction heating device (four groups of formulas).
Among the figure, part 1 is a rail; Part 2 is coils 2; Part 3 is magnetizers 3; Part 4 is watercooling jackets 4; Part 5 is wiring boards 5.
As shown in Figure 1 and Figure 2, this rail intermediate frequency induction heating device is a kind of " semisellar " intermediate frequency induction heating device, employing be " transverse magnetic field " type of heating.It is made up of coil 2, magnetizer 3, watercooling jacket 4, wiring board 5 etc.Wherein, coil 2 is " semisellar " the two groups of formulas by the coiling of ad hoc fashion symmetry, is combined by two groups of copper pipe parallel connections of each 2 circle; Magnetizer 3 normally adopts the siliconized plate in groups of specified shape to be formed by stacking; The decoration form and the position of magnetizer 3-siliconized plate (group), and the specified shape of each siliconized plate, all be for the magnetic line of force that makes its rail 1 tread place is more intensive, and penetrate this place's upper layer, and then reach the purpose of the heating of strengthening its tread place in " transverse magnetic field " mode; In order to help the cooling of magnetizer 3-siliconized plate (group), be provided with one group of watercooling jacket 4 at an upper portion thereof; Wiring board 5 is to be used for this intermediate frequency induction heating device is linked to each other with intermediate frequency transformer, to supply with intermediate frequency power supply.
As shown in Figure 3, Figure 4, the coil 2 of existing rail intermediate frequency induction heating device is to turn to " saddle type " many groups, multi-loop copper tube by symmetry to combine (two groups of formulas); The decoration form and the position of magnetizer 3-siliconized plate (group), and the specified shape of each siliconized plate all are in order to make its magnetic line of force vertically penetrate the top layer, transverse section of rail 1, to carry out induction heating in " longitudinal magnetic field " mode.
As Fig. 5, shown in Figure 6, the magnetic line of force that is produced by this rail intermediate frequency induction heating device and existing rail intermediate frequency induction heating device as seen, carry out the existing induction heating device (Fig. 5) of induction heating in " longitudinal magnetic field " mode, its magnetic line of force is the top layer, transverse section that vertically penetrates rail 1; And carrying out this induction heating device (Fig. 6) of induction heating in " transverse magnetic field " mode, its magnetic line of force is parallel rail 1 transverse section that penetrates.
As shown in Figure 7, by this rail intermediate frequency induction heating device (four groups of formulas) as seen, its coil 2 combines for copper pipe symmetry " semisellar ", 4 groups of each 2 circles coiling.And its coiling mode should make its each group mutually near in side by side the copper pipe section again, and the sense of current that is passed through all is consistent.
By the enforcement of the utility model-rail intermediate frequency induction heating device as seen, the Heating temperature of rail 1 rail head is more even, basically eliminate the temperature head of its different sites; After the heating, the temperature head on rail 1 tread and its rail head between the fillet can be controlled in 0～20 ℃.
Claims (1)
1. rail intermediate frequency induction heating device, by coil, magnetizer, watercooling jacket, compositions such as wiring board is characterized in that, it is a kind of employing " transverse magnetic field " induction heating " semisellar " intermediate frequency induction heating device, and wherein, coil (2) is " semisellar " many groups, multi-loop copper tube; It by each group (being generally 4 groups or 2 groups) respectively by " semisellar " multiturn (being generally 2 circles or single turn) copper pipe of ad hoc fashion symmetry coiling, parallel with one another again combining, the copper pipe of coil (2) adopts the hollow square pure copper tube of certain wall thickness to make, and needing water flowing to cool off, magnetizer (3) is to adopt the siliconized plate in groups of specified shape to be formed by stacking; The decoration form and the position of its siliconized plate (group), and the specified shape of each siliconized plate all are for the magnetic line of force that makes its rail (1) tread place is more intensive, in order to help the cooling of magnetizer (3), are provided with one group of watercooling jacket (4) at an upper portion thereof; Two wiring boards (5) that also useful fine copper plate is made link to each other this induction heating device with it with intermediate frequency transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02276104 CN2575109Y (en) | 2002-08-12 | 2002-08-12 | Coal-saving device pipe for spraying composite coating with supersonic speed arc spraying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02276104 CN2575109Y (en) | 2002-08-12 | 2002-08-12 | Coal-saving device pipe for spraying composite coating with supersonic speed arc spraying equipment |
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| Publication Number | Publication Date |
|---|---|
| CN2575109Y true CN2575109Y (en) | 2003-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02276104 Expired - Fee Related CN2575109Y (en) | 2002-08-12 | 2002-08-12 | Coal-saving device pipe for spraying composite coating with supersonic speed arc spraying equipment |
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| CN (1) | CN2575109Y (en) |
Cited By (9)
| 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 |
| CN101956050A (en) * | 2010-06-13 | 2011-01-26 | 浙江佰耐钢带有限公司 | Steel strip water filled roller cooling quenching device |
| CN102242536A (en) * | 2010-05-11 | 2011-11-16 | 上海铁群铁路设备制造有限公司 | Induction normalizing system for site welding of steel rails |
| CN102776336A (en) * | 2012-08-09 | 2012-11-14 | 株洲敏锐机车配件有限责任公司 | Quenching process method and device for achieving same |
| CN102952925A (en) * | 2011-08-26 | 2013-03-06 | 新大洲本田摩托有限公司 | Heating and quenching sensor for cams |
| CN101394690B (en) * | 2007-09-12 | 2013-03-27 | 应达公司 | Electric induction heating of a rail head with non-uniform longitudinal temperature distribution |
| CN101755060B (en) * | 2007-07-11 | 2015-04-08 | Gkn烧结金属有限公司 | Functionally graded powder metal components |
| CN105838849A (en) * | 2016-03-31 | 2016-08-10 | 燕山大学 | Precise induction heater applied to heavy rail and guide transportation mechanism |
| CN108457142A (en) * | 2018-03-01 | 2018-08-28 | 中国铁道科学研究院金属及化学研究所 | A kind of preheating of groove-shape rail and soldering integration apparatus |
-
2002
- 2002-08-12 CN CN 02276104 patent/CN2575109Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101755060B (en) * | 2007-07-11 | 2015-04-08 | Gkn烧结金属有限公司 | Functionally graded powder metal components |
| CN101394690B (en) * | 2007-09-12 | 2013-03-27 | 应达公司 | Electric induction heating of a rail head with non-uniform longitudinal temperature distribution |
| 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 |
| CN102242536A (en) * | 2010-05-11 | 2011-11-16 | 上海铁群铁路设备制造有限公司 | Induction normalizing system for site welding of steel rails |
| CN102242536B (en) * | 2010-05-11 | 2014-10-08 | 上海铁云环保设备有限公司 | Induction normalizing system for site welding of steel rails |
| CN101956050B (en) * | 2010-06-13 | 2012-06-20 | 浙江佰耐钢带有限公司 | Steel strip water filled roller cooling quenching device |
| CN101956050A (en) * | 2010-06-13 | 2011-01-26 | 浙江佰耐钢带有限公司 | Steel strip water filled roller cooling quenching device |
| CN102952925A (en) * | 2011-08-26 | 2013-03-06 | 新大洲本田摩托有限公司 | Heating and quenching sensor for cams |
| CN102952925B (en) * | 2011-08-26 | 2015-04-22 | 新大洲本田摩托有限公司 | Heating and quenching sensor for cams |
| CN102776336A (en) * | 2012-08-09 | 2012-11-14 | 株洲敏锐机车配件有限责任公司 | Quenching process method and device for achieving same |
| CN105838849A (en) * | 2016-03-31 | 2016-08-10 | 燕山大学 | Precise induction heater applied to heavy rail and guide transportation mechanism |
| CN108457142A (en) * | 2018-03-01 | 2018-08-28 | 中国铁道科学研究院金属及化学研究所 | A kind of preheating of groove-shape rail and soldering integration apparatus |
| CN108457142B (en) * | 2018-03-01 | 2024-05-14 | 中国铁道科学研究院集团有限公司金属及化学研究所 | Groove-shaped steel rail preheating and welding integrated equipment |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |