CN102296501A - Seamless track rail temperature locking preprocessing system - Google Patents
Seamless track rail temperature locking preprocessing system Download PDFInfo
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- CN102296501A CN102296501A CN201110162790XA CN201110162790A CN102296501A CN 102296501 A CN102296501 A CN 102296501A CN 201110162790X A CN201110162790X A CN 201110162790XA CN 201110162790 A CN201110162790 A CN 201110162790A CN 102296501 A CN102296501 A CN 102296501A
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- rail
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- down temperature
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Abstract
The invention discloses a seamless track rail temperature locking preprocessing system which comprises an electromagnetic induction heating device, a traveling control system, a transmission system, an upper computer data processing system, wherein the electromagnetic induction heating device is arranged on the traveling control system and used for generating a magnetic flux to a seamless track steel rail; the traveling control system is movably arranged on the steel rail, and is used for controlling the electromagnetic induction heating device to travel along the longitudinal direction of the steel rail; the transmission system is used for collecting each parameter in the seamless track rail temperature locking preprocessing process and transmitting the parameters to the upper computer data processing system and correspondingly transmitting control signals sent out by the upper computer data processing system to the electromagnetic induction heating device and the traveling control system; and the upper computer data processing system is used for processing and analyzing the parameters transmitted by the transmission system, sending out the control signals through the transmission system and displaying the information in the processing process to a user. By utilizing the seamless track rail temperature locking preprocessing system provided by the invention, the damage on the surface of the rail in the preprocessing process is effectively lowered, and the working efficiency of the seamless track laying operation is improved.
Description
Technical field
The present invention relates to gapless track fastening-down temperature of rail control technology field, relate in particular to a kind of noncontact magnetoelectricity formula gapless track fastening-down temperature of rail pretreatment system.
Background technology
Along with the large tracts of land of China's high speed, heavy haul railway is promoted, gapless track and even overlength gapless track are accepted and obtain practical application by people, be the developing direction of world's railway track structure.For application life of guaranteeing jointless track and guarantee traffic safety, seem important all the more for the gapless track Study on Technology.
Variations in temperature under the natural environmental condition can influence the stability of jointless track in the inner tensile stress that produces of rail.Therefore when laying gapless track, rail temperature need remain under the fastening-down temperature of rail condition, and inside is in zero stress state when guaranteeing the rail welding, to avoid under the adverse weather condition the inner tensile stress that produces of rail to the infringement of its generation.Because China is vast in territory, longitude and latitude is crossed over big, for cold district, there is the long period environment temperature to be lower than fastening-down temperature of rail (25～30 ℃) in 1 year, when laying jointless track in such cases if do not carry out the preliminary treatment of fastening-down temperature of rail, rail in use can be put aside excessive thermal stresses owing to variations in temperature is excessive, thereby influence orbital lifetime, jeopardize traffic safety, therefore, need badly at present research one the cover novel can be quick, evenly carry out the pretreated control system of jointless track fastening-down temperature of rail, to guarantee the laying quality and the efficient of jointless track.
At present, developed countries such as America and Europe adopt temperature control method to carry out the preliminary treatment of jointless track fastening-down temperature of rail usually, utilize propane-butane mist flame heat jointless track, this method easy operating, operation are simple, but because it belongs to the contact heating, bigger to the rail superficial injury, and heat exchange pattern easily causes the internal rail stress inequality, and pretreating effect is not satisfactory.The main at present stretching-machine stretching rail that adopts of China allows the method for length range to carry out the preliminary treatment of fastening-down temperature of rail to reach fastening-down temperature of rail.Though pulling method have the rail temperature control accurately, be subjected to characteristics such as the construction environment condition influence is less; But its operational sequence is comparatively complicated, the engineering time is longer.
Summary of the invention
(1) technical problem that will solve
The technical problem to be solved in the present invention is: provide a kind of gapless track fastening-down temperature of rail pretreatment system, to solve for a long time big, the problems such as the track internal stress distribution is inhomogeneous, complicated operation of rail surface damage in the contact fastening-down temperature of rail control technology.
(2) technical scheme
For addressing the above problem, the invention provides a kind of gapless track fastening-down temperature of rail pretreatment system, comprising:
Electromagnetic induction heater is installed on the traveling control system, is used for seamless track steel rail is produced magnetic flux, with the heating rail;
Traveling control system is movably arranged on the described rail, is used to control described electromagnetic induction heater and walks longitudinally along described rail;
Transmission system, be used for gathering the parameters of gapless track fastening-down temperature of rail preprocessing process and transfer to the host computer data handling system, and the control signal correspondence that described host computer data handling system is sent transfers to described electromagnetic induction heater and traveling control system;
The host computer data handling system is used to handle and analyze the described parameters of importing into through described transmission system, sends described control signal through described transmission system, and the information of processing procedure is shown to the user.
Preferably, described electromagnetic induction heater comprises: yoke, winding near described seamless track steel rail setting produce some groups of coils of alternating flux and the frequency conversion excitation power supply of alternating current are provided for described coil on described yoke and to described seamless track steel rail.
Preferably, described yoke is arranged on described rail both sides symmetrically.
Preferably, described some groups of coil symmetries be distributed in described rail both sides, the alternating flux that the alternating current of homophase produces in the described coil is perpendicular to described rail.
Preferably, described some groups of coils are two groups of coils.
Preferably, described traveling control system comprises: the roller that moves along described rail, be subjected to described host computer data handling system control with the drive motors that drives described roller and rotate and be used to support described electromagnetic induction heater and with the rotation of roller along the vertical bracing or strutting arrangement of walking of rail.
Preferably, described transmission system is a wireless transmitting system, comprises sensor assembly, processor module, radio receiving transmitting module and energy supply module, wherein:
Described sensor assembly is used to gather the thermal field distributed data of rail, and the transfer of data that collects is arrived described processor module;
Be transported to described radio receiving transmitting module after the data processing that described processor module is used for described sensor assembly transmission is come, and the control signal correspondence that described radio receiving transmitting module is received is transported to described electromagnetic induction heater and traveling control system;
Described radio receiving transmitting module is used to realize the wireless data transmission between described processor module and the described host computer data handling system;
Described energy supply module is used for providing energy to described sensor assembly, processor module and radio receiving transmitting module accordingly.
Preferably, described wireless transmitting system is the Zigbee wireless transmitting system.
Preferably, described host computer data handling system comprises core microprocessors, display device and I/O equipment, wherein:
Described core microprocessors is used to handle and analyze the described parameters of importing into through described transmission system, and sends described control signal to described transmission system;
Described display device is used for the information of processing procedure is shown to the user;
Described I/O equipment is used for for user input instruction and the output of the parameter after will handling is preserved.
(3) beneficial effect
The present invention proposes a kind of gapless track fastening-down temperature of rail pretreatment system, adopt contactless electromagnetic induction heating mode, effectively reduce in gapless track fastening-down temperature of rail preprocessing process the infringement of raceway surface, effectively reduce preprocessing process operation easier, improve the operating efficiency that gapless track is laid operation; Be heated rail and self heated as thermal source by the eddy-current loss that electromagnetic induction produces, its heat is transmitted evenly efficient more, thereby has guaranteed the pretreated ageing and reliability of gapless track; And in the loop construction design, utilize the transverse magnetic flux electromagnetic coupling theory, make inductive loop be parallel to the rail surface, effectively reduce the reactive power loss in the eddy-current heating process, improve working heat efficient.
Description of drawings
Fig. 1 is the structural representation of the described gapless track fastening-down temperature of rail of embodiment of the invention pretreatment system;
Fig. 2 is the structural representation of the described electromagnetic induction heater of the embodiment of the invention;
Fig. 3 is the structural representation of the described transmission system of the embodiment of the invention.
Wherein: 1: electromagnetic induction heater; 2: traveling control system; 3: transmission system; 4: the host computer data handling system; 5: rail; 11: yoke; 12: coil; 13: the frequency conversion excitation power supply; 21: roller; 22: bracing or strutting arrangement.
The specific embodiment
That the present invention is described in detail is as follows below in conjunction with drawings and Examples.
Fig. 1 is the structural representation of the described gapless track fastening-down temperature of rail of embodiment of the invention pretreatment system.As shown in Figure 1, described gapless track fastening-down temperature of rail pretreatment system comprises electromagnetic induction heater 1, traveling control system 2, transmission system 3 and host computer data handling system 4.The main body of wherein said electromagnetic induction heater 1 and described transmission system 3 is installed on the traveling control system 2; Described traveling control system 2 is movably arranged on the seamless track steel rail 5.Electromagnetic induction heater 1 is used for described rail 5 is produced magnetic flux with heating rail 5, reaches the fastening-down temperature of rail scope when guaranteeing steel rail laying; Described transmission system 3 is used to gather parameters, the temperature parameter of rail 5 and it is transferred to described host computer treatment system 4 for example, described host computer treatment system 4 is used to receive the data that transmission system 3 sends and carries out Treatment Analysis, transmit control signal by 3 pairs of electromagnetic induction heaters 1 of transmission system and traveling control system 2 then, and the information of processing procedure is shown to the user.Think after 4 pairs of parameter Treatment Analysis of for example described host computer treatment system that the rail 5 of processed part reaches after the temperature of setting, transmit control signal to described traveling control system 2 by transmission system 3, described traveling control system 2 is walked towards unprocessed portion rail 5 after receiving signal, makes described electromagnetic induction heater 1 and then heat for 5 sections the rail of unprocessed portion.
Fig. 2 is the structural representation of the described electromagnetic induction heater of the embodiment of the invention.As shown in Figure 2, described electromagnetic induction heater 1 comprises: the yoke 11 that is arranged on described rail 5 both sides symmetrically, winding is on described yoke 11 and described seamless track steel rail 5 is produced two groups of coils 12 of alternating fluxes, and the frequency conversion excitation power supply 13 of alternating current is provided for described coil, wherein said two groups of coils 12 are symmetricly set on described rail 5 both sides, the alternating flux (transverse magnetic flux) that the alternating current of homophase produces in described two groups of coils 12 is perpendicular to described rail 5, make the eddy current that induces be parallel to rail 5, and then make the eddy current on the rail section not have the problem of cancelling out each other, (as operating frequency in the present embodiment is 50～600Hz), and then realizes reducing reactive power loss can effectively to reduce operating frequency thus, energy saving purposes; In addition, winding makes that the placement of electromagnetic induction heater is flexible, for native system is provided convenience in rail 5 peripheries in the gapless track pre-treatment job because coil 12 is arranged on the both sides of rail 5.
As seen from Figure 1, present embodiment traveling control system 2 comprises roller 21, bracing or strutting arrangement 22 and drive motors (not shown), and in the present embodiment, described frequency conversion excitation power supply 13 is fixed on the described bracing or strutting arrangement 22; Described yoke 11 and coil 12 fixedly are suspended in described bracing or strutting arrangement 22 belows and are positioned at described rail 2 both sides; Described roller 21 is connected with described bracing or strutting arrangement 22 rotationally and is positioned on the described rail 5, roller 21 axially vertical with the trend of described rail 5, described drive motors drives described roller 21 and rotates under the control of host computer data handling system 4, make described bracing or strutting arrangement 22 be with electromagnetic induction heater 1 along rail 5 walkings, finish the walking control task of pretreatment system, guarantee the present invention's working continuously in the track laying preprocessing process.
Fig. 3 is the structural representation of specific embodiment of the invention transmission system.The transmission system of present embodiment adopts the Zigbee technology to realize, certainly, transmission system of the present invention also can use other suitable transmission system to replace.As shown in Figure 3, described Zigbee wireless transmitting system comprises the radio receiving transmitting module and the energy supply module of sensor assembly, processor module, support Zigbee agreement.In the present embodiment, described sensor assembly and processor module are arranged on the position at bracing or strutting arrangement 22 the above frequency conversion excitation power supply 13 place of traveling control system described in Fig. 12.Sensor assembly described in the present embodiment comprises sensor, signal condition unit and A/D converter, corresponding parameter in the described sensor acquisition processing procedure, as the thermal field distributed data of temperature pick up collection rail, as required, sensor of the present invention can also comprise position sensor etc.Processor module in the present embodiment comprises microprocessor and memory, the processing before the data that described microprocessor can adopt LM3S8962 that sensor assembly is sent send, and data are sent in the described memory and preserve when needing.Described radio receiving transmitting module comprises Zgibee network and Zigbee transceiver.Described energy supply module is used to utilize self power supply or the power supply of outside input is changed, as undertaken by an AC-DC converter AC-DC conversion back to as described in sensor assembly, processor module and radio receiving transmitting module energy is provided, in the present embodiment, described energy supply module and described electromagnetic induction heater 1 shared described frequency conversion excitation power supply 13.
Described host computer data handling system 4 comprises core microprocessors, display device and I/O equipment, wherein: described core microprocessors is used to handle and analyze the described parameters of importing into through described transmission system, and sends described control signal to described transmission system; Described display device is used for the information of processing procedure is shown to the user, and an example of described display device is a LCD; Described I/O equipment is used for for user input instruction and the output of the parameter after will handling is preserved.Parameters in the gapless track fastening-down temperature of rail operation process uploads to described host computer data handling system 1 by the sensor assembly collection and through the Zigbee radio receiving transmitting module, and be shown in real time on the display device as LCDs, guarantee that operating personnel can obtain the relevant information of preprocessing process fast, and in time finish corresponding operation.
Above embodiment only is used to illustrate the present invention; and be not limitation of the present invention; the those of ordinary skill in relevant technologies field; under the situation that does not break away from the spirit and scope of the present invention; can also make various variations and modification; therefore all technical schemes that are equal to also belong to category of the present invention, and scope of patent protection of the present invention should be defined by the claims.
Claims (9)
1. a gapless track fastening-down temperature of rail pretreatment system is characterized in that, comprising:
Electromagnetic induction heater (1) is installed on the traveling control system (2), is used for seamless track steel rail (5) is produced magnetic flux, with heating rail (5);
Traveling control system (2) is movably arranged on the described rail (5), is used to control described electromagnetic induction heater (1) and walks longitudinally along described rail (5);
Transmission system (3), be used for gathering the parameters of gapless track fastening-down temperature of rail preprocessing process and transfer to host computer data handling system (4), and the control signal correspondence that described host computer data handling system (4) is sent is transferred to described electromagnetic induction heater (1) and traveling control system (2);
Host computer data handling system (4) is used for handling and analyzing the described parameters of importing into through described transmission system (3), sends described control signal through described transmission system (3), and the information of processing procedure is shown to the user.
2. gapless track fastening-down temperature of rail pretreatment system as claimed in claim 1, it is characterized in that described electromagnetic induction heater (1) comprising: go up and described seamless track steel rail (5) is produced some groups of coils of alternating flux and the frequency conversion excitation power supply (13) of alternating current is provided for described coil at described yoke (11) near yoke (11), winding that described seamless track steel rail (5) is provided with.
3. gapless track fastening-down temperature of rail pretreatment system as claimed in claim 2 is characterized in that, described yoke (11) is arranged on described rail (5) both sides symmetrically.
4. gapless track fastening-down temperature of rail pretreatment system as claimed in claim 3, it is characterized in that, described some groups of coil symmetries be distributed in described rail (5) both sides, the alternating flux that the alternating current of homophase produces in the described coil (12) is perpendicular to described rail (5).
5. gapless track fastening-down temperature of rail pretreatment system as claimed in claim 4 is characterized in that, described some groups of coils (12) are two groups of coils (12).
6. gapless track fastening-down temperature of rail pretreatment system as claimed in claim 1, it is characterized in that described traveling control system (2) comprising: the roller (21) that moves along described rail (5), be subjected to described host computer data handling system (4) control with the drive motors that drives described roller (21) and rotate and be used to support described electromagnetic induction heater (1) and with the rotation of roller (21) along the vertical bracing or strutting arrangement (22) of walking of rail (5).
7. gapless track fastening-down temperature of rail pretreatment system as claimed in claim 1 is characterized in that described transmission system (3) is a wireless transmitting system, comprises sensor assembly, processor module, radio receiving transmitting module and energy supply module, wherein:
Described sensor assembly is used to gather the thermal field distributed data of rail (5), and the transfer of data that collects is arrived described processor module;
Be transported to described radio receiving transmitting module after the data processing that described processor module is used for described sensor assembly transmission is come, and the control signal correspondence that described radio receiving transmitting module is received is transported to described electromagnetic induction heater (1) and traveling control system (2);
Described radio receiving transmitting module is used to realize the wireless data transmission between described processor module and the described host computer data handling system (4);
Described energy supply module is used for providing energy to described sensor assembly, processor module and radio receiving transmitting module accordingly.
8. gapless track fastening-down temperature of rail pretreatment system as claimed in claim 7 is characterized in that described wireless transmitting system is the Zigbee wireless transmitting system.
9. gapless track fastening-down temperature of rail pretreatment system as claimed in claim 1 is characterized in that described host computer data handling system (4) comprises core microprocessors, display device and I/O equipment, wherein:
Described core microprocessors is used for handling and analyzing the described parameters of importing into through described transmission system (3), and sends described control signal to described transmission system (3);
Described display device is used for the information of processing procedure is shown to the user;
Described I/O equipment is used for for user input instruction and the output of the parameter after will handling is preserved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110162790XA CN102296501A (en) | 2011-06-16 | 2011-06-16 | Seamless track rail temperature locking preprocessing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110162790XA CN102296501A (en) | 2011-06-16 | 2011-06-16 | Seamless track rail temperature locking preprocessing system |
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| CN102296501A true CN102296501A (en) | 2011-12-28 |
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| CN201110162790XA Pending CN102296501A (en) | 2011-06-16 | 2011-06-16 | Seamless track rail temperature locking preprocessing system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105544327A (en) * | 2016-01-29 | 2016-05-04 | 西南交通大学 | Rapid online detection and performance recovery device for steel rails |
| CN105758463A (en) * | 2016-04-15 | 2016-07-13 | 山西科为感控技术有限公司 | Continuous welded rail track temperature stress detecting system |
| CN105818822A (en) * | 2016-04-21 | 2016-08-03 | 温州大学 | Device and method of monitoring steel rail temperature stress in real time based on laser ultrasonic method |
| CN106017719A (en) * | 2016-05-13 | 2016-10-12 | 北京化工大学 | Method for detecting fastening-down temperature of long seamless rail |
| CN109853388A (en) * | 2018-12-25 | 2019-06-07 | 中铁大桥局第七工程有限公司 | A kind of automatic walking type bridge floor heating device and bridge floor heating means |
| RU216175U1 (en) * | 2022-02-18 | 2023-01-20 | Общество с ограниченной ответственностью научно-производственная компания "Магнит М" | Installation for induction heating of rail strips |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105544327A (en) * | 2016-01-29 | 2016-05-04 | 西南交通大学 | Rapid online detection and performance recovery device for steel rails |
| CN105758463A (en) * | 2016-04-15 | 2016-07-13 | 山西科为感控技术有限公司 | Continuous welded rail track temperature stress detecting system |
| CN105758463B (en) * | 2016-04-15 | 2018-11-20 | 山西科为感控技术有限公司 | Welded rail temperature stress mornitoring system |
| CN105818822A (en) * | 2016-04-21 | 2016-08-03 | 温州大学 | Device and method of monitoring steel rail temperature stress in real time based on laser ultrasonic method |
| CN106017719A (en) * | 2016-05-13 | 2016-10-12 | 北京化工大学 | Method for detecting fastening-down temperature of long seamless rail |
| CN109853388A (en) * | 2018-12-25 | 2019-06-07 | 中铁大桥局第七工程有限公司 | A kind of automatic walking type bridge floor heating device and bridge floor heating means |
| RU216175U1 (en) * | 2022-02-18 | 2023-01-20 | Общество с ограниченной ответственностью научно-производственная компания "Магнит М" | Installation for induction heating of rail strips |
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Application publication date: 20111228 |