CN102268522B - Steel rail quenching electric induction heating coil follow-up apparatus - Google Patents

Steel rail quenching electric induction heating coil follow-up apparatus Download PDF

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Publication number
CN102268522B
CN102268522B CN2010102001602A CN201010200160A CN102268522B CN 102268522 B CN102268522 B CN 102268522B CN 2010102001602 A CN2010102001602 A CN 2010102001602A CN 201010200160 A CN201010200160 A CN 201010200160A CN 102268522 B CN102268522 B CN 102268522B
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China
Prior art keywords
induction heating
rail
heating coil
seat
guide pillar
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Expired - Fee Related
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CN2010102001602A
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Chinese (zh)
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CN102268522A (en
Inventor
蔡庄厚
郭俊文
李敬刚
王玉辉
洪海峰
刘伟
郭晋龙
贺娜
闫存祯
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RAIL WELDING WORKSHOP OF HOHHOT RAILWAY BUREAU
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RAIL WELDING WORKSHOP OF HOHHOT RAILWAY BUREAU
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Publication of CN102268522A publication Critical patent/CN102268522A/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/25Process efficiency

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Abstract

The invention discloses a steel rail quenching electric induction heating coil follow-up apparatus. The apparatus comprises a bed body, a counterpoise supporting apparatus, a guide rail, a linear bearing pedestal, rolling linear bearings, guide pillars, rotating shaft seats, rotating shafts, an elevating connecting plate, a rotating wheel, an oil cylinder, transformers, an electric induction heating coil, a pedal wheel bearing pedestal, a pedal wheel, and the like. The apparatus can be elevated with the elevating of the steel rail, and the rotation and elevation are flexible and reliable. With the steel rail quenching electric induction heating coil follow-up apparatus, heat radiations of the heated steel rail towards the guiding mechanisms are reduced; and a defect, that failure is likely to occur when the transformers are under high temperature heating, is avoided. The whole apparatus is reasonably designed, and is durable. With the apparatus, machine shut-off time due to maintenance is reduced, and yield of quenching steel rail is improved.

Description

Hardening of rails electrical induction heating coil follow-up gear
Technical field:
The present invention relates to a kind of hardening of rails electrical induction heating coil follow-up gear, especially relate in rail head of rail hard surfacing production process, the servo-actuated adaptation function of dependence equipment guarantees along the electrical induction heating coil follow-up gear of the constant distance that is heated rail top of steel rail and electrical induction heating coil of roller line traveling.
Background technology:
Rail head of rail hard surfacing requirement rail Heating temperature will be in the structural transformation temperature range of regulation, and hardness reaches technological standard after the cooling of guarantee rail like this, and processing requirement electrical induction heating coil and rail top of steel rail distance remain constant.But, because in the rail head of rail hard surfacing production process, traveling be heated rail at the electrical induction heating coil position, owing to being subjected to the impact of rail head electrical induction heating, shape is a circular arc line, and along with this circular arc line of rail traveling moves up and down, cause adjusting the electrical induction heating coil and being heated rail top of steel rail apart from difficulty by artificial.At present, existing electrical induction heating coil setting device is: heater coil is fixed on the transformer, transformer is fixed on the block plate, this steel plate position is being heated the rail side, the above is fixed with four orienting sleeves and a nut, can be along four guide pillar lifting, and lifting relies on step-down gear to drag screw-nut body, make the electrical induction heating coil along four guide pillar liftings, the position of electrical induction heating coil and rail top of steel rail is observed by the people and is adjusted.The problem that this device exists is: 1, because the people operates by observation, can not guarantee that the distance of heater coil and rail is constantly constant.2, front and back two one steel rails connect with the clamp that integrates with in addition, and joint is when crossing the electrical induction heating coil, and the joint will upwarp, for avoiding breaking coil, have to improve coil, the increase of distance causes the temperature of rail joint section on the low side, does not reach the structural transformation temperature that needs.3, because high temperature and dust atmosphere after guide pillars and bushes uses for some time, distortion just occurs, cause frictional force to increase, lifting is dumb.
Summary of the invention:
The object of the present invention is to provide a kind of hardening of rails electrical induction heating coil follow-up gear, remain constant so that the electrical induction heating coil, has guaranteed electrical induction heating coil and rail top of steel rail distance with being heated the rail lifting.
The present invention is implemented by following technical scheme:
A kind of hardening of rails electrical induction heating coil follow-up gear comprises a body, counterweight supporting device, guide rail, the linear axis bearing, the rolling linear bearing, guide pillar, shaft seat, rotating shaft, the lifting gusset plate, runner, oil cylinder, transformer, the electrical induction heating coil, step on wheel bearing seat and step on wheel, wherein, bed surface one side at described bed body is provided with described counterweight supporting device, on described bed surface, also be provided with at least four described guide rails, wherein at least two described guide rails place respectively the symmetrical center line of the section both sides that are heated rail, described linear axis bearing places on described four guide rails at least, and move up and down along described four guide rails, described linear axis bearing is hollow structure, be provided with linear axis bearing prosopyle and linear axis bearing posticum in described linear axis bearing, can lead to recirculated water described linear axis bearing is cooled off, greatly reduce the spoilage of linear axis bearing Yin Gaowen; Be provided with four rolling linear bearings in described linear axis bearing, and wherein said two rolling linear bearings place respectively the described symmetrical center line of the section both sides that are heated rail; In each described rolling linear bearing, be provided with described guide pillar, described guide pillar inside is hollow structure, be provided with water through device in described guide pillar bottom, be provided with the water through device rising pipe of hollow at described water through device, be provided with the water through device prosopyle at described water through device outer wall, described water through device rising pipe and described water through device prosopyle all with described guide pillar internal communication, can lead to recirculated water described guide pillar is cooled off, greatly reduce the spoilage of described guide pillar and described rolling linear bearing Yin Gaowen; Be respectively equipped with described shaft seat in each described guide pillar upper end, be circular hole along the described described shaft seat that is heated the front portion of rail trend with the connecting hole of described guide pillar, be heated the described shaft seat at the rear portion that rail moves towards and the connecting hole of described guide pillar is the oval hole along described; Two described rotating shafts are perpendicular to the described rail trend that is heated, and the described guide pillar of forward and backward described shaft seat and correspondence is hinged by described rotating shaft respectively; Described lifting gusset plate and described shaft seat are fixed, one lateral edges of one lateral edges of described lifting gusset plate and described bed body and a side edge-justified calibrations of described linear axis bearing, described lifting gusset plate is pressed on the runner of described counterweight supporting device, described lifting gusset plate can be with described guide pillar lifting, and forward and backward described shaft seat and corresponding described guide pillar adjustable height be when different, and described lifting gusset plate can tilt with described guide pillar; Described oil cylinder and described bed surface are fixed, and the piston rod of described oil cylinder is fixed on the bottom centre of described linear axis bearing; Described lifting gusset plate top in described runner one side of correspondence is fixed with described transformer, be fixed with described electrical induction heating coil at described transformer, described electrical induction heating coil is positioned at the described top that is heated rail, described lifting gusset plate is positioned at the described below that is heated rail, and described electrical induction heating coil neutralization aligns with the described symmetrical center line of section that is heated rail; Edge one side of aliging with described bed body on the top of described lifting gusset plate is fixed with the described wheel bearing seat of stepping on, the described wheel bearing seat of stepping on is more than at least two, stepping on wheel bearing seat inner is hollow structure, be provided with and step on the wheel bearing seat prosopyle and step on the wheel bearing seat posticum at the described wheel bearing seat of stepping on, can lead to recirculated water to stepping on the wheel bearing seat cooling, greatly reduce the spoilage of stepping on wheel bearing seat Yin Gaowen; Described step on the wheel connect with the described wheel bearing seat of stepping on by bearing, the described end face cylindrical of stepping on wheel step on described be heated Rail at the bottom of top surface edge.
Described counterweight supporting device comprises the counterweight supporting seat, lever, counter weight, the counterweight back shaft, described runner, described counterweight supporting seat and lever middle part are hinged, be provided with described counterweight back shaft at described lever one end, be provided with described runner at the described lever the other end, described counter weight hangs on the described counterweight back shaft, described runner position and described lifting gusset plate below, because lever principle, described runner withstands on the lower surface of described lifting gusset plate all the time, the position is in the bottom of described transformer, make like this gravity of described transformer and power that described runner makes progress produce balance, described lifting gusset plate can not tilted to described transformer direction, also reduced the suffered moment of described guide pillar simultaneously.
Advantage of the present invention:
This hardening of rails electrical induction heating coil follow-up gear can the lifting with the lifting of rail, has solved the constantly constant defective of distance that former device can not guarantee heater coil and rail; Front and back two one steel rails connect with the clamp that integrates with, and joint can pass through when crossing the electrical induction heating coil automatically, has solved original rail joint people from place for raising coil, makes the joint not reach the defective of quenching temperature; Because all bearings adopt water cooling and guiding mechanism to adopt linear bearings, rotate and the lifting flexibility and reliability; Guiding mechanism is arranged on and is heated below the rail, has reduced to be heated rail to the thermal radiation of guiding mechanism, and has saved space, outward appearance neat appearance; Transformer is arranged on the side of rail, has avoided high temperature that transformer is scorched troublesome defective.Complete assembly is reasonable in design durable, has reduced the stop time owing to maintenance, has improved the output of quenched rail.
Description of drawings:
Fig. 1 is that the present invention is along the structural representation that is heated rail profile symmetrical center line section.
Fig. 2 is the A-A diagrammatic cross-section of Fig. 1.
Fig. 3 is the overall schematic of counterweight supporting device.
Fig. 4 is the structural representation of water through device.
Fig. 5 is the overall schematic of linear axis bearing.
Fig. 6 is the overall schematic of stepping on wheel bearing seat.
Bed body 1, counterweight supporting device 2, guide rail 3, linear axis bearing 4, rolling linear bearing 5, guide pillar 6, shaft seat 7, rotating shaft 8, lifting gusset plate 9, oil cylinder 10, transformer 11, electrical induction heating coil 12, step on wheel bearing seat 13, step on wheel 14, bed surface 15, be heated rail 16, linear axis bearing prosopyle 17, linear axis bearing posticum 18, water through device 19, water through device rising pipe 20, water through device prosopyle 21, runner 22, piston rod 23, step on wheel bearing seat prosopyle 24, step on wheel bearing seat posticum 25, counterweight supporting seat 26, lever 27, counter weight 28, counterweight back shaft 29.
Embodiment: such as Fig. 1, shown in Figure 2, a kind of hardening of rails electrical induction heating coil follow-up gear, it comprises a body 1, counterweight supporting device 2, guide rail 3, linear axis bearing 4, rolling linear bearing 5, guide pillar 6, shaft seat 7, rotating shaft 8, lifting gusset plate 9, oil cylinder 10, transformer 11, electrical induction heating coil 12, step on wheel bearing seat 13 and step on wheel 14, wherein, bed surface 15 1 sides at bed body 1 are provided with counterweight supporting device 2, on bed surface 15, also be provided with at least four guide rails 3, wherein at least two guide rails 3 place respectively the symmetrical center line of the section both sides that are heated rail 16, linear axis bearing 4 places on four guide rails 3, and move up and down along four guide rails 3, linear axis bearing 4 is hollow structure, as shown in Figure 5, be provided with linear axis bearing prosopyle 17 and linear axis bearing posticum 18 in linear axis bearing 4, can lead to recirculated water to 4 coolings of linear axis bearing, greatly reduce linear axis bearing 4 because of the spoilage of high temperature; One side edge-justified calibrations of one lateral edges of linear axis bearing 4 and bed body 1 is provided with four rolling linear bearings 5 in linear axis bearing 4, and wherein two rolling linear bearings 5 place respectively the symmetrical center line of the section both sides that are heated rail 16; In each rolling linear bearing 5, be provided with guide pillar 6, guide pillar 6 inside are hollow structure, be provided with water through device 19 in guide pillar 6 bottoms, be provided with the water through device rising pipe 20 of hollow at water through device 19, as shown in Figure 4, be provided with water through device prosopyle 21 at water through device 19 outer walls, water through device rising pipe 20 and water through device prosopyle 21 all with guide pillar 6 internal communication, can lead to recirculated water guide pillar 6 is cooled off, greatly reduce guide pillar 6 and linear roller bearing 5 because of the spoilage of high temperature; Being respectively equipped with shaft seat 7 in each guide pillar 6 upper end, is circular hole along the connecting hole of the shaft seat 7 of the front portion that is heated rail 16 trend and guide pillar 6, is the oval hole along the connecting hole of the shaft seat 7 at the rear portion that is heated rail 16 trends and guide pillar 6; Two rotating shafts 7 are perpendicular to being heated rail 16 trends, and the guide pillar 6 of forward and backward shaft seat 7 and correspondence is hinged by rotating shaft 8 respectively; Lifting gusset plate 9 is fixing with shaft seat 7, one lateral edges of lifting gusset plate 9 and a lateral edges of bed body 1 and a side edge-justified calibrations of linear axis bearing 4, lifting gusset plate 9 is pressed on the runner 22 of counterweight supporting device 2, lifting gusset plate 9 can be with guide pillar 6 liftings, and forward and backward shaft seat 7 and corresponding guide pillar 6 adjustable heights are when different, and lifting gusset plate 9 can tilt with guide pillar 6; Oil cylinder 10 is fixing with bed surface 15, and the piston rod 23 of oil cylinder 10 is fixed on the bottom centre of linear axis bearing 4; Lifting gusset plate 9 tops in corresponding runner 22 1 sides are fixed with transformer 11, be fixed with electrical induction heating coil 12 at transformer 11, electrical induction heating coil 12 is positioned at the top that is heated rail 16, lifting gusset plate 9 is positioned at the below that is heated rail 16, and electrical induction heating coil 12 center lines align with the symmetrical center line of the section that is heated rail 16; Edge one side of aliging with bed body 1 on the top of lifting gusset plate 9 is fixed with steps on wheel bearing seat 13, step on wheel bearing seat more than 13 at least two, step on wheel bearing seat 13 inside and be hollow structure, as shown in Figure 6, be provided with and step on wheel bearing seat prosopyle 24 and step on wheel bearing seat posticum 25 stepping on wheel bearing seat 13, can lead to recirculated water to stepping on wheel bearing seat 13 coolings, greatly reduce and step on wheel bearing seat 13 because of the spoilage of high temperature; Step on wheel 14 by bearing with step on wheel bearing seat 13 and connect, step on and take turns 14 end face cylindrical and step on and be heated rail 16 flange of rail top surface edge.
As shown in Figure 3, counterweight supporting device 2 comprises counterweight supporting seat 26, lever 27, counter weight 28, counterweight back shaft 29 and runner 22, counterweight supporting seat 26 is hinged with lever 27 middle parts, be provided with counterweight back shaft 29 at lever 27 1 ends, be provided with runner 22 at lever 27 the other ends, counter weight 28 hangs on the counterweight back shaft 29,22 of runners and lifting gusset plate 9 belows, because the unbalance loading of transformer 11, utilize lever principle, runner 22 withstands on the lower surface of lifting gusset plate 9 all the time, the position is in the bottom of transformer 11, make like this gravity of transformer 11 and power that runner 22 makes progress produce balance, lifting gusset plate 9 can not tilted to transformer 11 directions, also reduced the suffered moment of guide pillar 6 simultaneously.
Working process: start oil cylinder 10, the piston rod 23 of oil cylinder 10 promotes linear axis bearing 4 and upwards rises along guide rail 3, lifting gusset plate 9, transformer 11, electrical induction heating coil 12, step on wheel bearing seat 13, rise with linear axis bearing 4, the wheel 14 stepped on stepping on wheel bearing seat 13 highly exceeds when being heated rail 16 flange of rail upper surface and stops, then be heated rail 16 along the roller line traveling, when being heated rail 16 travelings to electrical induction heating coil 12 position, start electrical induction heating coil 12 power supplys, operation control switch moves down the piston rod 23 of oil cylinder 20 simultaneously, linear axis bearing 4, lifting gusset plate 9, transformer 11, electrical induction heating coil 12, stepping on wheel bearing seat 13 descends simultaneously, the wheel 14 of stepping on stepping on wheel bearing seat 13 is fallen when being heated rail 16 flange of rail top surface edge, at this moment be subject to the support of rail, lifting gusset plate 9, transformer 11, electrical induction heating coil 12, stepping on wheel bearing seat 13 stops to descend, linear axis bearing 4 continues to descend with the piston rod 23 of oil cylinder 10, when lifting gusset plate 9 and linear axis bearing 4 were thrown off approximately 60 millimeters, operation control switch made the piston rod 23 of oil cylinder 10 stop to descend.At this moment step on wheel 14 and rotate with being heated rail 16 travelings, the distance that is heated rail 16 treads and electrical induction heating coil 12 is preset value.When being heated rail 16 and moving up and down, under action of gravity, step on wheel 14 all the time be heated rail 16 flange of rail upper surfaces and contact, be heated rail 16 treads and electrical induction heating coil 12 parallel and constant distance is constant all the time, lifting gusset plate 9, transformer 11, electrical induction heating coil 12, to step on wheel 14 servo-actuated 6 about along guide pillar with being heated rail 16, and adaptation is heated the change in location of rail 16.In the situation that the power supply heating power is constant, the Heating temperature that is heated rail 16 also can be guaranteed like this.

Claims (5)

1. hardening of rails electrical induction heating coil follow-up gear, it is characterized in that, it comprises a body, counterweight supporting device, guide rail, the linear axis bearing, the rolling linear bearing, guide pillar, shaft seat, rotating shaft, the lifting gusset plate, oil cylinder, transformer, the electrical induction heating coil, step on wheel bearing seat and step on wheel, wherein, bed surface one side at described bed body is provided with described counterweight supporting device, on described bed surface, also be provided with at least four described guide rails, wherein at least two described guide rails place respectively the symmetrical center line of the section both sides that are heated rail, described linear axis bearing places on described four guide rails at least, and moves up and down along described at least four guide rails; Be provided with four rolling linear bearings in described linear axis bearing, and wherein said two rolling linear bearings place respectively the described symmetrical center line of the section both sides that are heated rail; In each described rolling linear bearing, be provided with described guide pillar, be respectively equipped with described shaft seat in each described guide pillar upper end, be circular hole along the described described shaft seat that is heated the front portion of rail trend with the connecting hole of described guide pillar, be heated the described shaft seat at the rear portion that rail moves towards and the connecting hole of described guide pillar is the oval hole along described; Two described rotating shafts are perpendicular to the described rail trend that is heated, and the described guide pillar of described forward and backward shaft seat and correspondence is hinged by described rotating shaft respectively; Described lifting gusset plate and described shaft seat are fixed, a lateral edges of described lifting gusset plate and a lateral edges of described bed body and a side edge-justified calibrations of described linear axis bearing, and described lifting gusset plate is pressed on the runner of described counterweight supporting device; Described oil cylinder and described bed surface are fixed, and the piston rod of described oil cylinder is fixed on the bottom centre of described linear axis bearing; Described lifting gusset plate top in described runner one side of correspondence is fixed with described transformer, be fixed with described electrical induction heating coil at described transformer, described electrical induction heating coil is positioned at the described top that is heated rail, described lifting gusset plate is positioned at the described below that is heated rail, and described electrical induction heating coil neutralization aligns with the described symmetrical center line of section that is heated rail; Edge one side of aliging with described bed body on the top of described lifting gusset plate is fixed with the described wheel bearing seat of stepping on, and the described wheel of stepping on connects with the described wheel bearing seat of stepping on by bearing, the described end face cylindrical of stepping on wheel step on described be heated Rail at the bottom of top surface edge.
2. a kind of hardening of rails electrical induction heating coil follow-up gear according to claim 1 is characterized in that, the described wheel bearing seat of stepping on is more than at least two, and stepping on wheel bearing seat inner is hollow structure; Be provided with and step on the wheel bearing seat prosopyle and step on the wheel bearing seat posticum at the described wheel bearing seat of stepping on.
3. a kind of hardening of rails electrical induction heating coil follow-up gear according to claim 1, it is characterized in that, described guide pillar inside is hollow structure, be provided with water through device in described guide pillar bottom, be provided with the water through device rising pipe of hollow at described water through device, be provided with the water through device prosopyle at described water through device outer wall, described water through device rising pipe and described water through device prosopyle all with described guide pillar internal communication.
4. a kind of hardening of rails electrical induction heating coil follow-up gear according to claim 1 is characterized in that, described linear axis bearing is hollow structure, is provided with linear axis bearing prosopyle and linear axis bearing posticum in described linear axis bearing.
5. a kind of hardening of rails electrical induction heating coil follow-up gear according to claim 1, it is characterized in that, described counterweight supporting device comprises counterweight supporting seat, lever, counter weight, counterweight back shaft, described runner, described counterweight supporting seat and lever middle part are hinged, be provided with described counterweight back shaft at described lever one end, be provided with described runner at the described lever the other end, described counter weight hangs on the described counterweight back shaft.
CN2010102001602A 2010-06-03 2010-06-03 Steel rail quenching electric induction heating coil follow-up apparatus Expired - Fee Related CN102268522B (en)

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CN102268522B true CN102268522B (en) 2013-04-17

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CN103850159B (en) * 2012-12-06 2015-12-23 常州市瑞泰工程机械有限公司 The rail-lifting equipment of mobile steel rail flash welder
CN103981353B (en) * 2014-05-15 2016-08-17 宝鸡中铁宝桥天元实业发展有限公司 Double rail head heat treatment method
CN105063289A (en) * 2015-08-28 2015-11-18 中材科技(成都)有限公司 Annealing furnace
RU2704951C1 (en) * 2018-06-18 2019-10-31 Общество с ограниченной ответственностью НПК "Магнит" Installation for thermal processing of welded joints of rails
CN111867173B (en) * 2020-06-16 2021-05-28 燕山大学 Electromagnetic induction heating device for space follow-up steel rail

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CN101254850B (en) * 2008-01-21 2010-12-15 呼和浩特铁路局焊轨段 Steel rail roller conveyer
CN201746577U (en) * 2010-06-03 2011-02-16 呼和浩特铁路局焊轨段 Electric induction heating coil follow-up device for rail quenching

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